{ "title": "How to remove sweat stains and yellow | The Swiss Laundry", "description": "Yellow underarm stains are oxidised body oils combined with sweat salts — not a single stain type. The complete home method for cotton, why the stains.", "keywords": "", "robots": "index,follow,max-snippet:-1,max-image-preview:large", "canonical": "https://www.theswisslaundry.com/blog-how-to-remove-sweat-stains-from-clothes-india", "hreflangs": [ { "hreflang": "en-IN", "href": "https://www.theswisslaundry.com/blog-how-to-remove-sweat-stains-from-clothes-india" }, { "hreflang": "en", "href": "https://www.theswisslaundry.com/blog-how-to-remove-sweat-stains-from-clothes-india" } ], "og": { "type": "article", "title": "How to remove sweat stains and yellow underarm stains from clothes. — The Swiss Laundry", "description": "Yellow underarm stains are oxidised body oils combined with sweat salts — not a single stain type. The complete home method for cotton, why the stains appear during storage not wearing, and why professional treatment removes what home washing leaves behind.", "url": "https://www.theswisslaundry.com/blog-how-to-remove-sweat-stains-from-clothes-india", "image": "https://www.theswisslaundry.com/images/og-default.svg", "image:width": "1200", "image:height": "630", "site_name": "The Swiss Laundry", "locale": "en_IN" }, "geo": { "region": "IN-WB", "placename": "Kolkata" }, "jsonLd": [ [ { "@context": "https://schema.org", "@type": "Article", "headline": "How to remove sweat stains and yellow underarm stains from clothes.", "description": "Yellow underarm stains are oxidised body oils combined with sweat salts — not a single stain type. The complete home method for cotton, why the stains appear during storage not wearing, and why professional treatment removes what home washing leaves behind.", "author": { "@type": "Organization", "name": "The Swiss Laundry", "url": "https://www.theswisslaundry.com" }, "publisher": { "@type": "Organization", "name": "The Swiss Laundry", "logo": { "@type": "ImageObject", "url": "https://www.theswisslaundry.com/images/favicon.svg" } }, "url": "https://www.theswisslaundry.com/blog-how-to-remove-sweat-stains-from-clothes-india", "datePublished": "2026-03-04", "dateModified": "2026-03-04", "mainEntityOfPage": { "@type": "WebPage", "@id": "https://www.theswisslaundry.com/blog-how-to-remove-sweat-stains-from-clothes-india" }, "keywords": "how to remove sweat stains India, yellow underarm stains removal, sweat stain white shirt India, body odour stain removal, remove yellow collar stain India, sweat stain dry cleaning", "articleSection": "Stain Removal", "wordCount": 1400 }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.theswisslaundry.com/" }, { "@type": "ListItem", "position": 2, "name": "The Record", "item": "https://www.theswisslaundry.com/blog" }, { "@type": "ListItem", "position": 3, "name": "How to remove sweat stains and yellow underarm stains from clothes.", "item": "https://www.theswisslaundry.com/blog-how-to-remove-sweat-stains-from-clothes-india" } ] }, { "@context": "https://schema.org", "@type": "LocalBusiness", "name": "The Swiss Laundry", "telephone": "+919836233354", "url": "https://www.theswisslaundry.com", "openingHours": "Mo-Sa 10:00-17:00", "priceRange": "₹₹", "aggregateRating": { "@type": "AggregateRating", "ratingValue": "4.5", "reviewCount": "200", "bestRating": "5" }, "address": { "@type": "PostalAddress", "streetAddress": "P-4 Kasba Industrial Estate, Phase III, E.M. Bypass (East)", "addressLocality": "Kolkata", "addressRegion": "West Bengal", "postalCode": "700107", "addressCountry": "IN" } }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Why do my white shirts have yellow underarm stains even though I wash them after every wearing?", "acceptedAnswer": { "@type": "Answer", "text": "Home washing with water removes the salt component of body soil but not the oil component. The oil component oxidises during storage and creates the yellowing. Professional dry cleaning removes the oil component that water-based washing leaves behind." } }, { "@type": "Question", "name": "Can I remove yellow sweat stains from silk?", "acceptedAnswer": { "@type": "Answer", "text": "Not safely at home. The acid and alkaline treatments required for sweat stain removal on cotton (vinegar, baking soda) are too harsh for silk. Bring silk with yellowing to a professional dry cleaner. Professional treatment with targeted chemistry achieves good improvement on mild to moderate silk yellowing." } }, { "@type": "Question", "name": "Are sweat stains the same as body odour in fabric?", "acceptedAnswer": { "@type": "Answer", "text": "Related but different. Body odour in fabric is caused by bacterial metabolism of skin secretions — the bacteria produce volatile compounds that create the smell. The smell component responds to washing with antibacterial detergents. The yellowing (visual component) is caused by oxidised body oils and responds to solvent treatment. Both are usually present together." } }, { "@type": "Question", "name": "How often should formal shirts be professionally dry cleaned?", "acceptedAnswer": { "@type": "Answer", "text": "Formal shirts worn at events should be professionally cleaned after every wearing, or at least before storing. Shirts worn regularly to an office — without heavy physical activity — should be professionally cleaned every 4–6 wearings or whenever underarm yellowing is visible." } }, { "@type": "Question", "name": "My white shirt has severe yellow underarm staining from years of accumulation. Can it be fixed?", "acceptedAnswer": { "@type": "Answer", "text": "Years of accumulated oxidised oil staining is very difficult to reverse completely. Professional treatment can significantly improve it but complete removal of long-term accumulated yellowing is not always achievable. We will assess and advise on the realistic outcome before attempting treatment." } } ] }, { "@context": "https://schema.org", "@type": "HowTo", "name": "How to remove sweat stains and yellow underarm stains from clothes.", "description": "Yellow underarm stains are oxidised body oils combined with sweat salts — not a single stain type. The complete home method for cotton, why the stains appear during storage not wearing, and why professional treatment removes what home washing leaves behind.", "supply": [ { "@type": "HowToSupply", "name": "Clean dry cloth" }, { "@type": "HowToSupply", "name": "Cold water" } ], "tool": [ { "@type": "HowToTool", "name": "Professional dry cleaning (recommended)" } ] }, { "@context": "https://schema.org", "@type": "SpeakableSpecification", "cssSelector": [ ".hero-summary", ".glance-points", ".faq-q" ] } ] ], "styleCss": "[data-reveal]{opacity:1!important;transform:none!important}\n/* NAV */\nnav{position:fixed;top:0;left:0;right:0;z-index:200;display:flex;align-items:center;justify-content:space-between;padding:0 3rem;height:70px;transition:background 0.5s,border-color 0.5s,box-shadow 0.5s;border-bottom:0.5px solid 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var(--ease)}\n[data-reveal].in{opacity:1;transform:none}\n@media(scripting:none){[data-reveal]{opacity:1!important;transform:none!important}}\n.btn{display:inline-flex;align-items:center;gap:.45rem;font-family:var(--ss);font-size:10px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;border:none;cursor:pointer;text-decoration:none;transition:background .2s,transform .15s,box-shadow .2s}\n.btn svg{flex-shrink:0}\n.btn-g{background:var(--gold);color:var(--ink);padding:.8rem 1.8rem}\n.btn-g:hover{background:var(--gold-l);transform:translateY(-1px);box-shadow:0 4px 16px rgba(201,168,76,.3)}\n.btn-dk{background:var(--ink);color:var(--gold);padding:.85rem 2rem}\n.btn-dk:hover{background:#000}\n.btn-ol{background:transparent;color:rgba(245,240,232,.7);padding:.8rem 1.6rem;border:1px solid rgba(245,240,232,.22)}\n.btn-ol:hover{color:var(--cream);border-color:rgba(245,240,232,.5)}\n.btn-row{display:flex;gap:.6rem;flex-wrap:wrap}\n/* hero */\n.bsc-hero{min-height:100svh;background:var(--dark);display:flex;flex-direction:column;justify-content:flex-end;padding:0 8vw 5rem;position:relative;overflow:hidden}\n.bsc-hero::before{content:'';position:absolute;inset:0;pointer-events:none;\n background:radial-gradient(ellipse 60% 50% at 80% 30%,rgba(139,26,26,.08) 0%,transparent 60%),\n radial-gradient(circle,rgba(201,168,76,.04) 1px,transparent 1px);\n background-size:100% 100%,32px 32px}\n.bsc-bg-word{position:absolute;bottom:-0.1em;right:3vw;font-family:var(--s);font-style:italic;font-weight:300;font-size:clamp(130px,20vw,300px);line-height:1;color:transparent;-webkit-text-stroke:1px rgba(201,168,76,.06);pointer-events:none;user-select:none;z-index:1;letter-spacing:-.05em}\n.bsc-eyebrow{font-family:var(--ss);font-size:10px;font-weight:500;letter-spacing:.32em;text-transform:uppercase;color:var(--gold);display:flex;align-items:center;gap:.8rem;margin-bottom:1.8rem;position:relative;z-index:2}\n.bsc-eyebrow::before{content:'';width:24px;height:1px;background:var(--gold);flex-shrink:0}\n.bsc-h1{font-family:var(--s);font-style:italic;font-weight:300;font-size:clamp(44px,7vw,100px);line-height:.88;letter-spacing:-.04em;color:var(--cream);margin-bottom:2rem;position:relative;z-index:2;max-width:860px}\n.bsc-h1 em{font-style:normal;color:var(--gold)}\n.bsc-lead{font-size:clamp(14px,1.4vw,17px);font-weight:300;color:rgba(245,240,232,.6);line-height:1.85;max-width:540px;margin-bottom:2.5rem;position:relative;z-index:2}\n.bsc-hero-btns{position:relative;z-index:2}\n.bsc-strip{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(201,168,76,.15);margin-top:4rem}\n.bsc-stat{padding:1.4rem 0;border-right:1px solid rgba(201,168,76,.1)}\n.bsc-stat:last-child{border-right:none}\n.bsc-stat-n{font-family:var(--s);font-style:italic;font-weight:300;font-size:clamp(18px,2.8vw,34px);color:var(--gold);display:block;line-height:1;letter-spacing:-.02em}\n.bsc-stat-l{font-family:var(--ss);font-size:9px;font-weight:300;letter-spacing:.18em;text-transform:uppercase;color:rgba(245,240,232,.35);display:block;margin-top:.3rem}\n/* def box */\n.bsc-def-sec{background:var(--cream);padding:6rem 8vw}\n.bsc-def-inner{max-width:860px;margin:0 auto}\n.bsc-def-box{border:1px solid rgba(201,168,76,.35);border-left:4px solid var(--gold);padding:2.2rem 2.5rem 2.2rem 2.2rem;background:var(--white);margin-bottom:2rem}\n.bsc-def-label{font-family:var(--ss);font-size:9px;font-weight:500;letter-spacing:.3em;text-transform:uppercase;color:var(--gold);display:block;margin-bottom:.8rem}\n.bsc-def-text{font-family:var(--s);font-style:italic;font-weight:300;font-size:clamp(17px,2.1vw,24px);line-height:1.55;color:var(--ink)}\n.bsc-def-text em{font-style:normal;color:var(--gold)}\n.bsc-def-source{display:block;margin-top:.9rem;font-family:var(--ss);font-size:10px;font-weight:300;letter-spacing:.1em;color:var(--muted)}\n.bsc-def-note{background:var(--off);padding:1.4rem 1.6rem;font-family:var(--ss);font-size:13px;font-weight:300;line-height:1.85;color:var(--muted)}\n.bsc-def-note strong{color:var(--ink);font-weight:400}\n/* body */\n.bsc-body{background:var(--off);padding:0 8vw 7rem;display:grid;grid-template-columns:220px 1fr;gap:5rem;align-items:start;max-width:1200px;margin:0 auto}\n.bsc-sidebar{position:sticky;top:90px}\n.bsc-sb-label{font-family:var(--ss);font-size:9px;font-weight:500;letter-spacing:.28em;text-transform:uppercase;color:var(--gold);display:block;margin-bottom:1.2rem}\n.bsc-sb-list{list-style:none;display:flex;flex-direction:column}\n.bsc-sb-link{display:block;font-family:var(--ss);font-size:11px;font-weight:300;letter-spacing:.06em;color:var(--muted);text-decoration:none;padding:.55rem 0 .55rem .9rem;border-left:2px solid rgba(26,25,24,.08);transition:color .2s,border-color .2s;line-height:1.4}\n.bsc-sb-link:hover,.bsc-sb-link.active{color:var(--ink);border-left-color:var(--gold)}\n.bsc-content{padding-top:5rem}\n/* clauses */\n.clause{margin-bottom:5rem;padding-bottom:5rem;border-bottom:1px solid rgba(26,25,24,.07)}\n.clause:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}\n.clause-num{font-family:var(--s);font-style:italic;font-weight:300;font-size:clamp(44px,6vw,72px);color:rgba(201,168,76,.15);display:block;line-height:1;margin-bottom:.3rem;letter-spacing:-.04em}\n.clause-title{font-family:var(--s);font-style:italic;font-weight:300;font-size:clamp(24px,3vw,40px);color:var(--ink);line-height:1.1;margin-bottom:1.4rem;letter-spacing:-.02em}\n.clause-title em{font-style:normal;color:var(--gold)}\n.clause-body{font-family:var(--ss);font-size:14px;font-weight:300;line-height:1.95;color:var(--muted)}\n.clause-body p{margin-bottom:1.1rem}\n.clause-body p:last-child{margin-bottom:0}\n.clause-body strong{color:var(--ink);font-weight:400}\n.clause-body a{color:var(--gold);text-decoration:none;border-bottom:1px solid rgba(201,168,76,.3);transition:border-color .2s}\n.clause-body a:hover{border-color:var(--gold)}\n.fact-box{margin:1.8rem 0;padding:1.4rem 1.6rem;border-left:3px solid var(--gold);background:var(--gold-a);font-family:var(--ss);font-size:13px;font-weight:300;line-height:1.75;color:var(--ink)}\n.fact-box strong{font-weight:500}\n.warn-box{margin:1.8rem 0;padding:1.4rem 1.6rem;border-left:3px solid var(--pink);background:rgba(192,65,90,.06);font-family:var(--ss);font-size:13px;font-weight:300;line-height:1.75;color:var(--ink)}\n.warn-box strong{font-weight:500;color:var(--pink)}\n/* banarasi variety grid */\n.variety-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(26,25,24,.08);margin:1.8rem 0}\n.variety-card{background:var(--white);padding:1.8rem 1.6rem;transition:background .2s}\n.variety-card:hover{background:var(--cream)}\n.variety-name{font-family:var(--s);font-style:italic;font-weight:300;font-size:clamp(17px,2vw,23px);color:var(--ink);display:block;margin-bottom:.25rem}\n.variety-weave{font-family:var(--ss);font-size:9px;font-weight:300;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);display:block;margin-bottom:.5rem}\n.variety-care{font-family:var(--ss);font-size:12px;font-weight:300;color:var(--muted);line-height:1.7}\n.variety-care strong{color:var(--ink);font-weight:400}\n/* stain table */\n.stain-table{width:100%;border-collapse:collapse;font-family:var(--ss);margin:1.8rem 0}\n.stain-table th{font-size:9px;font-weight:500;letter-spacing:.18em;text-transform:uppercase;padding:.8rem 1rem;background:var(--ink);color:rgba(245,240,232,.6);text-align:left}\n.stain-table th:first-child{color:var(--gold-l)}\n.stain-table td{padding:.75rem 1rem;font-size:12px;font-weight:300;line-height:1.6;color:var(--muted);border-bottom:1px solid rgba(26,25,24,.06);vertical-align:top}\n.stain-table tr:last-child td{border-bottom:none}\n.stain-table td:first-child{color:var(--ink);font-weight:400}\n.stain-table .do-cell{color:#5A8A5A}\n.stain-table .warn-cell{color:var(--pink)}\n/* storage steps */\n.storage-steps{display:flex;flex-direction:column;gap:1rem;margin:1.8rem 0}\n.storage-step{display:flex;gap:1.2rem;align-items:flex-start;padding:1.2rem 1.4rem;background:var(--white);border:1px solid rgba(26,25,24,.07);border-left:3px solid transparent;transition:border-color .2s}\n.storage-step:hover{border-left-color:var(--gold)}\n.storage-step-n{font-family:var(--s);font-style:italic;font-weight:300;font-size:32px;color:rgba(201,168,76,.25);line-height:1;flex-shrink:0;width:2.2rem;text-align:center}\n.storage-step-body{padding-top:.1rem}\n.storage-step-h{font-family:var(--ss);font-size:12px;font-weight:500;color:var(--ink);display:block;margin-bottom:.25rem;letter-spacing:.02em}\n.storage-step-d{font-family:var(--ss);font-size:12px;font-weight:300;color:var(--muted);line-height:1.7}\n/* do/dont */\n.do-dont{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin:1.8rem 0}\n.do-list,.dont-list{list-style:none;display:flex;flex-direction:column;gap:.5rem}\n.do-list-h,.dont-list-h{font-family:var(--ss);font-size:10px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;display:block;margin-bottom:.7rem}\n.do-list-h{color:#5A8A5A}\n.dont-list-h{color:var(--pink)}\n.do-list li,.dont-list li{font-family:var(--ss);font-size:12px;font-weight:300;line-height:1.7;color:var(--muted);padding-left:1.2rem;position:relative}\n.do-list li::before{content:'✓';position:absolute;left:0;color:#5A8A5A;font-size:11px;top:.05em}\n.dont-list li::before{content:'✗';position:absolute;left:0;color:var(--pink);font-size:11px;top:.05em}\n/* kolkata note */\n.kolkata-note{background:var(--dark);padding:2rem 2.2rem;margin:1.8rem 0;border-left:4px solid var(--gold)}\n.kolkata-note-label{font-family:var(--ss);font-size:9px;font-weight:500;letter-spacing:.28em;text-transform:uppercase;color:var(--gold);display:block;margin-bottom:.6rem}\n.kolkata-note-text{font-family:var(--ss);font-size:13px;font-weight:300;line-height:1.8;color:rgba(245,240,232,.7)}\n.kolkata-note-text strong{color:var(--cream);font-weight:400}\n/* pressing guide */\n.press-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem;margin:1.8rem 0}\n.press-card{border:1px solid rgba(26,25,24,.08);padding:1.6rem}\n.press-card.correct{border-color:rgba(201,168,76,.3);background:var(--gold-a)}\n.press-card-label{font-family:var(--ss);font-size:9px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;display:block;margin-bottom:.5rem}\n.press-card.correct .press-card-label{color:var(--gold)}\n.press-card:not(.correct) .press-card-label{color:var(--pink)}\n.press-card-title{font-family:var(--s);font-style:italic;font-weight:300;font-size:clamp(16px,1.8vw,22px);color:var(--ink);display:block;margin-bottom:.7rem}\n.press-card-items{list-style:none;display:flex;flex-direction:column;gap:.4rem}\n.press-card-items li{font-family:var(--ss);font-size:12px;font-weight:300;color:var(--muted);padding-left:1rem;position:relative;line-height:1.6}\n.press-card.correct .press-card-items li::before{content:'✓';position:absolute;left:0;color:var(--gold);font-size:11px}\n.press-card:not(.correct) .press-card-items li::before{content:'✗';position:absolute;left:0;color:var(--pink);font-size:11px}\n/* related */\n.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-top:2rem}\n.rel-card{border:1px solid rgba(26,25,24,.08);padding:1.8rem;text-decoration:none;display:flex;flex-direction:column;gap:.6rem;transition:box-shadow .25s,transform .25s,border-color .25s}\n.rel-card:hover{box-shadow:var(--sh2);transform:translateY(-3px);border-color:rgba(201,168,76,.3)}\n.rel-tag{font-family:var(--ss);font-size:9px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--gold)}\n.rel-title{font-family:var(--s);font-style:italic;font-weight:300;font-size:clamp(15px,1.8vw,20px);color:var(--ink);line-height:1.2}\n.rel-desc{font-family:var(--ss);font-size:11px;font-weight:300;color:var(--muted);line-height:1.65}\n.rel-arrow{font-family:var(--ss);font-size:9px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:auto;padding-top:.8rem;transition:color .2s}\n.rel-card:hover .rel-arrow{color:var(--gold)}\n/* faq */\n.bsc-faq{background:var(--cream);padding:7rem 8vw}\n.bsc-faq-inner{max-width:860px;margin:0 auto}\n.bsc-ey{font-family:var(--ss);font-size:10px;font-weight:500;letter-spacing:.32em;text-transform:uppercase;color:var(--gold);display:flex;align-items:center;gap:.8rem;margin-bottom:1.2rem}\n.bsc-ey::before{content:'';width:24px;height:1px;background:var(--gold);flex-shrink:0}\n.bsc-h2{font-family:var(--s);font-style:italic;font-weight:300;font-size:clamp(28px,4vw,52px);color:var(--ink);line-height:1.05;margin-bottom:2.5rem;letter-spacing:-.02em}\n.bsc-h2 em{font-style:normal;color:var(--gold)}\n.faq-item{border-bottom:1px solid rgba(26,25,24,.09)}\n.faq-item:first-of-type{border-top:1px solid rgba(26,25,24,.09)}\n.faq-q{font-family:var(--s);font-style:italic;font-weight:300;font-size:clamp(14px,1.5vw,18px);color:var(--ink);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;background:none;border:none;width:100%;text-align:left;padding:.9rem 0;transition:color .2s}\n.faq-q:hover,.faq-item.open .faq-q{color:var(--gold)}\n.faq-ico{width:16px;height:16px;color:rgba(26,25,24,.22);flex-shrink:0;transition:transform .3s,color .2s}\n.faq-item.open .faq-ico{transform:rotate(45deg);color:var(--gold)}\n.faq-a{display:none;font-size:13px;font-weight:300;line-height:1.9;color:var(--muted);padding-bottom:1rem;font-family:var(--ss)}\n.faq-item.open .faq-a{display:block}\n/* cta */\n.bsc-cta{background:var(--gold);padding:8rem 8vw;text-align:center;position:relative;overflow:hidden}\n.bsc-cta::before{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(-60deg,transparent,transparent 30px,rgba(255,255,255,.04) 30px,rgba(255,255,255,.04) 31px)}\n.bsc-cta-inner{position:relative;z-index:1;max-width:680px;margin:0 auto}\n.bsc-cta-rule{width:36px;height:2px;background:var(--ink);opacity:.2;margin:0 auto 2rem}\n.bsc-cta-h2{font-family:var(--s);font-style:italic;font-weight:300;font-size:clamp(40px,8vw,96px);color:var(--ink);line-height:.88;letter-spacing:-.05em;margin-bottom:.8rem}\n.bsc-cta-sub{font-family:var(--ss);font-size:13px;font-weight:300;color:rgba(26,25,24,.55);line-height:1.8;max-width:440px;margin:0 auto 2rem}\n.bsc-cta-btns{display:flex;gap:.7rem;justify-content:center;flex-wrap:wrap}\n/* wa/cursor/intro */\n.wa-float{position:fixed;bottom:2rem;right:2rem;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;z-index:9990;box-shadow:0 4px 20px rgba(37,211,102,.35);transition:transform .3s;text-decoration:none;background:none}\n.wa-float:hover{transform:scale(1.1) translateY(-2px)}\n.wa-float::before{content:'';position:absolute;inset:-4px;border-radius:50%;border:2px solid rgba(37,211,102,.35);animation:waPulse 2.5s ease-out infinite}\n@keyframes waPulse{0%{transform:scale(1);opacity:.6}100%{transform:scale(1.5);opacity:0}}\n@media(hover:hover) and (pointer:fine){*{cursor:none!important}.cur-d{position:fixed;top:0;left:0;z-index:99999;pointer-events:none;width:8px;height:8px;border-radius:50%;background:var(--gold);transform:translate(-50%,-50%);transition:width .15s,height .15s,opacity .3s}.cur-r{position:fixed;top:0;left:0;z-index:99998;pointer-events:none;width:28px;height:28px;border-radius:50%;border:1.5px solid rgba(201,168,76,.45);transform:translate(-50%,-50%);transition:width .25s var(--ease),height .25s var(--ease),opacity .3s}body.cur-hl .cur-d{width:12px;height:12px}body.cur-hl .cur-r{width:40px;height:40px}body.cur-hd .cur-d,body.cur-hd .cur-r{opacity:0}}\n#introEl{position:fixed;inset:0;z-index:99997;background:var(--dark);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:1.2rem;transition:opacity .6s ease}\n#introEl.hidden{opacity:0;pointer-events:none}\n.intro-m{font-family:var(--s);font-style:italic;font-weight:300;font-size:88px;color:var(--gold);letter-spacing:-.04em;opacity:0;animation:iFade .8s var(--ease) .15s forwards}\n.intro-l{width:0;height:1px;background:var(--gold);opacity:.4;animation:iGrow .7s var(--ease) .35s forwards}\n.intro-w{font-size:10px;font-weight:300;letter-spacing:.35em;text-transform:uppercase;color:rgba(245,240,232,.38);opacity:0;animation:iFade .6s ease .55s forwards}\n@keyframes iFade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}\n@keyframes iGrow{from{width:0}to{width:64px}}\n.pg-ov{position:fixed;inset:0;z-index:99996;background:var(--cream);opacity:0;pointer-events:none;transition:opacity .35s ease}\n.pg-ov.visible{opacity:1;pointer-events:all}\n@media print{.wa-float,.cur-d,.cur-r,#introEl,.pg-ov,.bookPill,.seasonal-banner,.scroll-bar{display:none!important}body{font-size:11pt;background:#fff;color:#000}}\n@media(max-width:960px){.bsc-body{grid-template-columns:1fr;padding-left:6vw;padding-right:6vw}.bsc-sidebar{position:static;display:none}.bsc-content{padding-top:2rem}.variety-grid{grid-template-columns:1fr}.do-dont{grid-template-columns:1fr}.press-grid{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}}\n@media(max-width:640px){.bsc-hero{padding:0 6vw 4rem}.bsc-strip{grid-template-columns:1fr 1fr}.bsc-stat:nth-child(3),.bsc-stat:nth-child(4){border-top:1px solid rgba(201,168,76,.1)}.bsc-stat:nth-child(even){border-right:none}.bsc-def-sec,.bsc-faq,.bsc-cta{padding-left:6vw;padding-right:6vw}}\n\n/* ═══════════════════════════════════════════════\n GLOBAL FEATURES — added to every page\n ═══════════════════════════════════════════════ */\n\n/* ── Sticky booking pill (mobile only) ── */\n.book-pill{\n display:none;\n position:fixed;bottom:1.5rem;left:50%;transform:translateX(-50%);\n background:var(--pink);color:#fff;\n font-family:var(--sans);font-size:10px;font-weight:500;\n letter-spacing:.18em;text-transform:uppercase;\n padding:.75rem 1.8rem;border-radius:30px;\n text-decoration:none;white-space:nowrap;\n box-shadow:0 4px 20px rgba(192,65,90,.4);\n z-index:9985;\n animation:pillIn .4s cubic-bezier(.16,1,.3,1);\n transition:opacity .3s,transform .3s;\n}\n.book-pill:hover{background:var(--pink2,#a8324a);transform:translateX(-50%) translateY(-2px)}\n.book-pill.hidden{opacity:0;pointer-events:none;transform:translateX(-50%) translateY(8px)}\n@keyframes pillIn{from{opacity:0;transform:translateX(-50%) translateY(16px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}\n@media(max-width:768px){.book-pill{display:flex;align-items:center;gap:.5rem}}\n/* Hide pill on the pickup page itself */\nbody.page-pickup .book-pill{display:none!important}\n\n/* ── Seasonal banner ── */\n.seasonal-banner{\n background:var(--dark2,#1a1918);color:rgba(255,255,255,.75);\n font-family:var(--sans);font-size:10px;font-weight:400;letter-spacing:.08em;\n text-align:center;padding:.45rem 3rem;position:relative;z-index:10000;\n border-bottom:.5px solid rgba(255,255,255,.08);\n}\n.seasonal-banner a{color:var(--gold,#C9A84C);text-decoration:none;margin-left:.5rem;font-weight:500}\n.seasonal-banner a:hover{text-decoration:underline}\n.banner-close{position:absolute;right:1rem;top:50%;transform:translateY(-50%);\n background:none;border:none;color:rgba(255,255,255,.4);cursor:pointer;\n font-size:14px;line-height:1;padding:.2rem;transition:color .2s}\n.banner-close:hover{color:#fff}\n.seasonal-banner.hidden{display:none}\n@media(prefers-color-scheme:light){\n .seasonal-banner{background:var(--dark2,#1a1918)}\n}\n\n/* ── Dark/light toggle in nav ── */\n.theme-toggle{\n width:32px;height:32px;border-radius:50%;\n background:none;border:.5px solid rgba(128,128,128,.25);\n cursor:pointer;display:flex;align-items:center;justify-content:center;\n transition:border-color .2s,background .2s;flex-shrink:0;\n}\n.theme-toggle:hover{border-color:var(--gold,#C9A84C);background:rgba(201,168,76,.08)}\n.theme-toggle svg{width:14px;height:14px;transition:opacity .2s}\n.theme-toggle .icon-dark{display:block}\n.theme-toggle .icon-light{display:none}\n[data-theme=\"light\"] .theme-toggle .icon-dark{display:none}\n[data-theme=\"light\"] .theme-toggle .icon-light{display:block}\n\n/* ── Google rating badge in footer ── */\n.g-rating-badge{\n display:inline-flex;align-items:center;gap:.5rem;\n text-decoration:none;\n font-family:var(--sans);\n padding:.5rem .8rem;\n border-radius:6px;\n border:.5px solid rgba(255,255,255,.12);\n background:rgba(255,255,255,.04);\n transition:border-color .2s,background .2s;\n margin-bottom:.8rem;\n}\n.g-rating-badge:hover{border-color:rgba(201,168,76,.3);background:rgba(201,168,76,.05)}\n.g-rating-stars{color:#FBBC04;font-size:13px;letter-spacing:.05em;line-height:1}\n.g-rating-num{font-family:var(--sans);font-size:13px;font-weight:500;color:#fff}\n.g-rating-label{font-family:var(--sans);font-size:9px;font-weight:300;\n color:rgba(255,255,255,.45);letter-spacing:.08em}\n.g-rating-logo{font-family:var(--sans);font-size:9px;font-weight:700;\n color:#4285F4;letter-spacing:-.02em}\n@media(prefers-color-scheme:light){\n .g-rating-badge{border-color:rgba(26,25,24,.12);background:#fff}\n .g-rating-num{color:#1a1918}\n .g-rating-label{color:rgba(26,25,24,.45)}\n}\n\n/* ── WhatsApp share button (blogs/guides) ── */\n.wa-share{\n display:inline-flex;align-items:center;gap:.5rem;\n background:#25D366;color:#fff;\n font-family:var(--sans);font-size:9px;font-weight:500;\n letter-spacing:.15em;text-transform:uppercase;\n padding:.65rem 1.2rem;border-radius:6px;text-decoration:none;\n transition:background .2s;\n}\n.wa-share:hover{background:#1da851}\n.wa-share svg{width:14px;height:14px;flex-shrink:0}\n\n/* ── Reading time indicator ── */\n.reading-time{\n font-family:var(--sans);font-size:10px;font-weight:300;\n color:var(--txt3,rgba(255,255,255,.4));letter-spacing:.08em;\n display:inline-flex;align-items:center;gap:.35rem;\n}\n.reading-time svg{width:11px;height:11px;opacity:.6}\n\n/* ── Was this helpful ── */\n.helpful-block{\n display:flex;align-items:center;gap:1rem;flex-wrap:wrap;\n padding:1.2rem 0;margin-top:2rem;\n border-top:1px solid rgba(128,128,128,.12);\n}\n.helpful-label{font-family:var(--sans);font-size:12px;font-weight:300;\n color:var(--txt3,rgba(255,255,255,.4))}\n.helpful-btn{\n font-family:var(--sans);font-size:10px;font-weight:400;letter-spacing:.1em;\n text-transform:uppercase;padding:.4rem 1rem;border-radius:4px;cursor:pointer;\n border:.5px solid rgba(128,128,128,.2);background:none;\n color:var(--txt3,rgba(255,255,255,.4));transition:all .2s;\n}\n.helpful-btn:hover,.helpful-btn.active{\n border-color:var(--pink);color:var(--pink);background:rgba(192,65,90,.06)}\n.helpful-thanks{font-family:var(--sans);font-size:11px;color:var(--pink);display:none}\n.helpful-thanks.show{display:block}\n\n/* ── Page reading progress (long guides) ── */\n.read-progress{\n position:fixed;top:0;left:0;height:2px;\n background:var(--gold,#C9A84C);z-index:9999;width:0;\n transition:width .1s linear;\n}\n\n\n/* FOOTER */\n/* ═══ FOOTER BASE ═══ */\n.site-footer{\n background:#0a0906;\n position:relative;\n}\n\n/* ── CONTACT FORM STRIP ── */\n.footer-form-strip{\n border-bottom:0.5px solid rgba(201,168,76,0.1);\n padding:5rem 4rem;\n background:rgba(255,255,255,0.01);\n}\n.footer-form-wrap{\n max-width:1000px;\n margin:0 auto;\n}\n.footer-form-header{\n margin-bottom:2.5rem;\n}\n.footer-form-eye{\n font-family:var(--sans);font-size:9px;\n letter-spacing:0.32em;text-transform:uppercase;\n color:var(--gold);margin-bottom:0.8rem;\n}\n.footer-form-title{\n font-family:var(--serif);font-style:italic;font-weight:300;\n font-size:clamp(20px,2.5vw,32px);\n color:#fff;line-height:1.3;letter-spacing:-0.01em;\n}\n\n/* Form grid */\n.footer-form-row{\n display:grid;\n grid-template-columns:repeat(4,1fr);\n gap:1rem;\n margin-bottom:1rem;\n}\n.footer-form-field{\n display:flex;flex-direction:column;gap:0.4rem;\n}\n.footer-form-field-full{\n margin-bottom:1.2rem;\n}\n.footer-form-label{\n font-family:var(--sans);font-size:9px;\n letter-spacing:0.18em;text-transform:uppercase;\n color:rgba(255,255,255,0.4);\n}\n.footer-form input,\n.footer-form select,\n.footer-form textarea{\n background:rgba(255,255,255,0.04);\n border:0.5px solid rgba(255,255,255,0.1);\n color:#fff;\n font-family:var(--sans);font-size:13px;font-weight:300;\n padding:10px 14px;\n outline:none;\n transition:border-color 0.3s,background 0.3s;\n width:100%;\n appearance:none;\n -webkit-appearance:none;\n}\n.footer-form input::placeholder,\n.footer-form textarea::placeholder{\n color:rgba(255,255,255,0.2);\n}\n.footer-form input:focus,\n.footer-form select:focus,\n.footer-form textarea:focus{\n border-color:rgba(201,168,76,0.5);\n background:rgba(255,255,255,0.06);\n}\n.footer-form select{\n background-image:url(\"data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='rgba(201,168,76,0.6)'/%3E%3C/svg%3E\");\n background-repeat:no-repeat;\n background-position:right 14px center;\n padding-right:32px;\n cursor:pointer;\n}\n.footer-form select option{\n background:#1a1918;color:#fff;\n}\n.footer-form textarea{\n resize:vertical;min-height:80px;\n}\n\n/* Submit row */\n.footer-form-submit-row{\n display:flex;align-items:center;\n justify-content:space-between;\n gap:1rem;flex-wrap:wrap;\n}\n.footer-form-legal{\n font-family:var(--sans);font-size:10px;\n color:rgba(255,255,255,0.2);line-height:1.6;\n}\n.footer-form-legal a{\n color:rgba(255,255,255,0.35);\n text-decoration:none;\n}\n.footer-form-btn{\n display:inline-flex;align-items:center;gap:0.6rem;\n background:var(--pink);border:none;cursor:pointer;\n font-family:var(--sans);font-size:10px;\n font-weight:500;letter-spacing:0.2em;text-transform:uppercase;\n color:#fff;padding:12px 28px;\n transition:background 0.25s,gap 0.3s;\n white-space:nowrap;\n}\n.footer-form-btn:hover{background:var(--pink2);gap:0.9rem}\n.footer-form-btn-arrow{\n display:inline-block;transition:transform 0.3s;\n}\n.footer-form-btn:hover .footer-form-btn-arrow{transform:translateX(4px)}\n\n/* Success message */\n.footer-form-success{\n padding:1rem 0;\n font-family:var(--serif);font-style:italic;\n font-size:16px;color:var(--gold-l);\n}\n\n/* ── MAIN COLUMNS ── */\n.footer-main{\n display:grid;\n grid-template-columns:1.5fr 1fr 1fr 1.2fr;\n gap:3rem;\n max-width:1200px;margin:0 auto;\n padding:5rem 4rem;\n border-bottom:0.5px solid rgba(201,168,76,0.1);\n}\n\n/* Brand col */\n.footer-logo{\n display:block;height:40px;width:auto;\n margin-bottom:1.6rem;\n opacity:0.85;\n}\n.footer-seo-text{\n font-family:var(--sans);font-size:11px;\n font-weight:300;line-height:1.85;\n color:rgba(255,255,255,0.38);\n margin-bottom:2rem;\n}\n\n/* Chotusingh */\n.footer-chotu{\n margin-bottom:1.2rem;\n}\n.footer-chotu-img{\n display:block;height:100px;width:auto;\n object-fit:contain;\n mix-blend-mode:lighten;\n filter:brightness(1.1) contrast(1.05);\n margin-bottom:0.4rem;\n}\n.footer-chotu-line{\n font-family:var(--serif);font-style:italic;font-weight:300;\n font-size:11px;color:rgba(255,255,255,0.22);\n line-height:1.5;\n}\n\n/* Nav cols */\n.footer-col{\n display:flex;flex-direction:column;\n}\n.footer-col-brand{\n display:flex;\n flex-direction:column;\n}\n.footer-col-title{\n font-family:var(--sans);font-size:9px;\n font-weight:500;letter-spacing:0.28em;text-transform:uppercase;\n color:var(--gold);\n margin-bottom:1.4rem;\n padding-bottom:0.8rem;\n border-bottom:0.5px solid rgba(201,168,76,0.15);\n}\n.footer-links{\n list-style:none;\n display:flex;flex-direction:column;gap:0.65rem;\n}\n.footer-links a{\n font-family:var(--sans);font-size:12px;font-weight:300;\n color:rgba(255,255,255,0.42);text-decoration:none;\n transition:color 0.3s ease, padding-left 0.3s ease;\n line-height:1.4;display:block;\n}\n.footer-links a:hover{\n color:rgba(255,255,255,0.85);\n padding-left:4px;\n}\n\n/* Contact col */\n.footer-col-contact{\n justify-content:space-between;\n display:flex;\n flex-direction:column;\n}\n.footer-col-contact .footer-apps{\n margin-top:auto;\n}\n.footer-contact-item{margin-bottom:1.1rem}\n.footer-contact-lbl{\n display:block;\n font-family:var(--sans);font-size:8px;\n letter-spacing:0.22em;text-transform:uppercase;\n color:var(--gold);opacity:0.65;margin-bottom:0.25rem;\n}\n.footer-address{\n font-family:var(--sans);font-size:11px;font-weight:300;\n 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\n Stain Removal\n The Swiss Laundry  ·  Expert Guide\n
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How to remove sweat stains and yellow underarm stains from clothes.

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\n The Swiss LaundryKasba, Kolkata\n 4 Mar 2026\n 5 min read\n
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The yellow stain under the collar or in the underarms of a white shirt was not there when you stored it. It appeared during storage from body oils you could not see. This guide explains what it actually is, how to treat it at home on cotton, and when professional treatment is needed.
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At a glance

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What this guide covers.

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  • Yellow underarm stains are not sweat — they are oxidised body oils combined with deodorant or antiperspirant residue
  • These stains appear during storage, not during wearing — the oils are invisible when the garment is first stored
  • Home treatment with white vinegar or baking soda works on cotton shirts when the yellowing is mild
  • Heat — tumble drying, hot ironing — sets these stains and makes professional removal significantly harder
  • Professional hydrocarbon solvent treatment removes the oil component that water-based washing leaves behind
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Home method

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Home method — for cotton shirts and everyday fabrics.

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Yellow sweat and body oil stains on cotton and linen respond to acid-based home treatment when they are moderate and the garment has not been through a hot dryer. The chemistry: the alkaline minerals in sweat combine with body oils and deodorant residue. An acid pre-treatment disrupts this combination.

1
White vinegar pre-soak — cotton and linen
Apply undiluted white vinegar directly to the yellowed area. Leave for 30 minutes. The acetic acid in vinegar disrupts the mineral-oil combination that causes the yellowing. Rinse with cold water.
2
Baking soda paste — for heavier yellowing
Mix baking soda with water to form a paste. Apply to the stain after the vinegar step, leave 30 minutes, then scrub gently with an old soft toothbrush. The mild abrasion combined with the alkaline baking soda lifts surface oxidised oils.
3
Cold machine wash with biological detergent
After pre-treatment, machine wash on a cool cycle (not hot) with a biological enzyme detergent. The enzymes break down the protein component of sweat. The cool temperature prevents further oil oxidation and setting.
4
Air dry and assess — no dryer until stain is gone
Air dry in sunlight if possible — UV helps break down residual yellowing on white cotton. Assess before putting in a dryer. If yellowing remains, repeat the treatment rather than heat-drying.
Why the stain appears during storage and not during wearing

Body oils are pale yellow-colourless when fresh. During storage, they undergo oxidative polymerisation — a chemical process driven by exposure to air, heat, and light. The oil transforms from a colourless liquid into a yellow or brown polymer. This is why the shirt looked fine when you stored it in May and emerged yellow in October.

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Where home treatment fails

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Why they keep coming back — and what home washing leaves behind.

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Home washing reduces sweat stains on cotton but often does not eliminate them. There are two reasons.

1
The oil component does not dissolve in water
Sweat stains have two components: water-soluble salts (which home washing removes effectively) and oil-based body oils (which water does not dissolve). Home washing removes the salt component but leaves behind the oil component, which continues to oxidise and creates the persistent yellowing that returns after each wash.
2
Heat sets the oil component deeper
Hot washing or tumble drying oil-stained fabric drives the oxidised oil deeper into the fibre and accelerates the polymerisation process. Shirts washed repeatedly on hot cycles with persistent underarm staining typically have deeply set oil staining that becomes progressively harder to treat.
3
The invisible soils on stored garments
Garments stored with invisible body oil residue will yellow during storage regardless of home washing. The critical principle: clean before storing, not before the next wearing. The oils that cause yellowing are deposited during wearing, not during the next use of the garment.

\"The most common question we receive about sweat stains is why they appeared during storage when the garment looked clean. The answer is that it was not clean — it just did not look dirty yet.\"

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Professional treatment

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What professional treatment does differently.

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Professional dry cleaning uses hydrocarbon solvent that dissolves the oil component of body soil — the component that water-based home washing cannot touch. This is the fundamental difference in outcome.

1
Solvent dissolves what water cannot
Hydrocarbon solvent is chemically similar to body oils — the like-dissolves-like principle of solvent chemistry. The solvent cycle removes the body oil component that creates persistent yellowing. Home washing with water cannot dissolve these oils regardless of detergent used.
2
Pre-treatment for set yellowing on formal shirts
For shirts with significant accumulated underarm yellowing, professional pre-spotting with reducing agents breaks down the oxidised polymer before the solvent cycle. This combination addresses what solvent alone cannot remove on heavily oxidised stains.
3
The invisible soil service — before storage
The most valuable professional treatment for this type of staining is not remedial — it is preventive. Bringing formal garments for professional cleaning before storage removes the invisible oils before they oxidise. No yellowing appears during storage because there is no oil left to oxidise.
The storage prevention protocol

Bring all formal shirts, kurtis, and occasion wear for professional cleaning before storing at the end of each season. This removes the body oils before oxidisation. Garments that go into storage clean emerge clean. The cost of one professional cleaning per season is a fraction of the cost of replacing yellowed garments.

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Questions answered

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Sweat stain questions
answered directly.

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Home washing with water removes the salt component of body soil but not the oil component. The oil component oxidises during storage and creates the yellowing. Professional dry cleaning removes the oil component that water-based washing leaves behind.

Not safely at home. The acid and alkaline treatments required for sweat stain removal on cotton (vinegar, baking soda) are too harsh for silk. Bring silk with yellowing to a professional dry cleaner. Professional treatment with targeted chemistry achieves good improvement on mild to moderate silk yellowing.

Related but different. Body odour in fabric is caused by bacterial metabolism of skin secretions — the bacteria produce volatile compounds that create the smell. The smell component responds to washing with antibacterial detergents. The yellowing (visual component) is caused by oxidised body oils and responds to solvent treatment. Both are usually present together.

Formal shirts worn at events should be professionally cleaned after every wearing, or at least before storing. Shirts worn regularly to an office — without heavy physical activity — should be professionally cleaned every 4–6 wearings or whenever underarm yellowing is visible.

Years of accumulated oxidised oil staining is very difficult to reverse completely. Professional treatment can significantly improve it but complete removal of long-term accumulated yellowing is not always achievable. We will assess and advise on the realistic outcome before attempting treatment.

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TSL
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\n The Swiss Laundry — Stain Removal Specialists\n 13 years of professional stain treatment from Kasba, Kolkata. P-4 Kasba Industrial Estate, Phase III, E.M. Bypass (East), Kolkata 700107.\n
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Published: 4 Mar 2026
Updated: 4 Mar 2026
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Related guides

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More from The Swiss Laundry.

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Stain RemovalHow to remove oil stains from clothes.5 min readStain RemovalThe science of stain removal.7 min readConsumerHow to store clothes after dry cleaning.5 min read
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Remove the risk.
Completely.

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Sweat and body oil staining on formal shirts, kurtas, and occasion wear — the oil component that home washing leaves behind is exactly what professional treatment removes.

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