{"product_id":"red-light-hair-care-comb-s18","title":"Katalyst S18 Red Light Hair Care Comb — 3 Lights, 5 Kneading Heads, Dual Angle","description":"\u003cdiv class=\"kt-pd\"\u003e\n\u003cstyle\u003e\n  .kt-pd{font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",sans-serif;color:#1a1a1a;line-height:1.7;font-size:16px;}\n  .kt-pd h2{font-size:22px;font-weight:800;margin:32px 0 12px;color:#0d0d0d;border-left:4px solid #ff4d4d;padding-left:12px;}\n  .kt-pd h3{font-size:17px;font-weight:700;margin:20px 0 8px;color:#ff4d4d;}\n  .kt-pd p{margin:0 0 14px;}\n  .kt-pd ul,.kt-pd ol{margin:0 0 18px;padding-left:22px;}\n  .kt-pd li{margin-bottom:8px;}\n  .kt-pd table{width:100%;border-collapse:collapse;margin:16px 0;font-size:15px;border:1px solid #ececec;border-radius:8px;overflow:hidden;}\n  .kt-pd th{background:#0d0d0d;color:#fff;padding:12px;text-align:left;font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:0.04em;}\n  .kt-pd th:last-child{background:linear-gradient(135deg,#ff4d4d,#ff8a3c);}\n  .kt-pd td{padding:11px 14px;border-bottom:1px solid #f0f0f0;}\n  .kt-pd tr:last-child td{border-bottom:none;}\n  .kt-pd tr:nth-child(even){background:#fafafa;}\n  .kt-pd .kt-lead{font-size:17px;color:#444;margin-bottom:24px;padding:18px 22px;background:linear-gradient(135deg,#fff5f0,#fff);border-left:4px solid #ff8a3c;border-radius:0 10px 10px 0;}\n  .kt-pd .kt-callout{background:#fafafa;border:1px solid #ececec;padding:18px 22px;border-radius:10px;margin:18px 0;font-size:14px;color:#666;}\n  .kt-pd a{color:#ff4d4d;font-weight:600;}\n\u003c\/style\u003e\n\u003cp class=\"kt-lead\"\u003eA handheld scalp care comb that combines red light with 5 kneading massage heads, in a dual-angle design. ✨ A 3-step scalp SPA routine — light, massage, and nourish — in one tool.\u003c\/p\u003e\n\n\u003ch2\u003e🔥 Why You'll Love It\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e💡 \u003cstrong\u003e3 light sources\u003c\/strong\u003e — multi-wavelength scalp light therapy.\u003c\/li\u003e\n  \u003cli\u003e🌀 \u003cstrong\u003e5 kneading massage heads\u003c\/strong\u003e — work the scalp like a hairstylist's fingertips.\u003c\/li\u003e\n  \u003cli\u003e📐 \u003cstrong\u003eDual-angle design\u003c\/strong\u003e — fits the curve of your scalp from front to crown to nape.\u003c\/li\u003e\n  \u003cli\u003e💆 \u003cstrong\u003e3-step scalp SPA\u003c\/strong\u003e — light → kneading → nourish, in one routine.\u003c\/li\u003e\n  \u003cli\u003e💧 \u003cstrong\u003eLiquid-guide channel\u003c\/strong\u003e — designed to deliver scalp essence directly to the roots.\u003c\/li\u003e\n  \u003cli\u003e👜 \u003cstrong\u003eCordless \u0026amp; handheld\u003c\/strong\u003e — use anywhere, no cable in the way.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e📋 Specs\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eLight sources\u003c\/td\u003e\n\u003ctd\u003e3 wavelengths\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMassage heads\u003c\/td\u003e\n\u003ctd\u003e5 kneading heads\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eDesign\u003c\/td\u003e\n\u003ctd\u003eDual-angle ergonomic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eRoutine\u003c\/td\u003e\n\u003ctd\u003e3-step scalp SPA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eForm factor\u003c\/td\u003e\n\u003ctd\u003eHandheld, cordless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003e💆 The 3-Step Scalp SPA\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003e💡 \u003cstrong\u003eLight\u003c\/strong\u003e — red-light irradiation onto scalp and hair roots.\u003c\/li\u003e\n  \u003cli\u003e🌀 \u003cstrong\u003eKnead\u003c\/strong\u003e — 5 massage heads work the scalp to relax and stimulate.\u003c\/li\u003e\n  \u003cli\u003e💧 \u003cstrong\u003eNourish\u003c\/strong\u003e — apply your favorite scalp essence; the comb's liquid-guide channel delivers it down to the roots.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003e🌀 Why 5 Kneading Heads\u003c\/h2\u003e\n\u003cp\u003eA single vibrating head only moves on one axis. \u003cstrong\u003e5 independently kneading heads\u003c\/strong\u003e mimic a stylist's fingertips moving in different directions — providing a more thorough scalp massage in less time. Combined with the dual-angle design, the comb adapts to the curve of your scalp instead of fighting it.\u003c\/p\u003e\n\n\u003ch2\u003e📏 Why a Dual Angle Matters\u003c\/h2\u003e\n\u003cp\u003eYour scalp isn't flat. A single-angle comb makes good contact at the crown but loses contact at the front hairline and nape. The dual-angle design keeps massage heads and LEDs in even contact across the full scalp surface.\u003c\/p\u003e\n\n\u003ch2\u003e🚀 How to Use\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003e🧼 \u003cstrong\u003eClean scalp\u003c\/strong\u003e — wash hair, towel-dry.\u003c\/li\u003e\n  \u003cli\u003e💧 \u003cstrong\u003eOptional\u003c\/strong\u003e — apply scalp essence at roots.\u003c\/li\u003e\n  \u003cli\u003e🎯 \u003cstrong\u003ePower on\u003c\/strong\u003e — select light + kneading.\u003c\/li\u003e\n  \u003cli\u003e👆 \u003cstrong\u003eGlide\u003c\/strong\u003e — slowly comb across scalp, sectioning in zones, ~10 minutes.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cdiv class=\"kt-callout\"\u003e\n👀 New to scalp light therapy? Read our \u003ca href=\"\/pages\/red-light-therapy-guide\"\u003ebeginner's guide\u003c\/a\u003e · check the \u003ca href=\"\/pages\/faq\"\u003eFAQ\u003c\/a\u003e · or browse \u003ca href=\"\/collections\/handheld-devices\"\u003eHair Care\u003c\/a\u003e.\n\u003c\/div\u003e\n\n\u003cp style=\"font-size:13px;color:#888;font-style:italic;margin-top:24px;\"\u003eKatalyst red light therapy devices are wellness products and are not intended to diagnose, treat, cure, or prevent any disease. Individual results vary. Do not stare directly at the LEDs. Consult a healthcare provider if you are pregnant, take photosensitizing medications, or have a medical condition.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-top:32px;padding:24px;background:#fff5f0;border-radius:12px;border-left:4px solid #ff4d4d;\"\u003e\n  \u003ch3 style=\"margin:0 0 16px;color:#0d0d0d;font-size:18px;\"\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\n  \u003cul style=\"list-style:none;padding:0;margin:0;font-size:15px;line-height:1.7;color:#333;\"\u003e\n    \u003cli\u003e📦 \u003cstrong\u003eFree shipping\u003c\/strong\u003e on orders over $99 (worldwide)\u003c\/li\u003e\n    \u003cli\u003e🚚 Tracked delivery: \u003cstrong\u003e7–15 business days\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e↩️ \u003cstrong\u003e30-day money-back guarantee\u003c\/strong\u003e — free return shipping\u003c\/li\u003e\n    \u003cli\u003e🛡️ \u003cstrong\u003e12-month warranty\u003c\/strong\u003e against manufacturing defects\u003c\/li\u003e\n    \u003cli\u003e✉️ Real human support: \u003ca href=\"mailto:support@katalystaction.com\" style=\"color:#ff4d4d;\"\u003esupport@katalystaction.com\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp style=\"margin:16px 0 0;font-size:13px;color:#666;\"\u003eSee full details on our \u003ca href=\"\/pages\/shipping\" style=\"color:#ff4d4d;\"\u003eShipping Info\u003c\/a\u003e \u0026amp; \u003ca href=\"\/pages\/faq\" style=\"color:#ff4d4d;\"\u003eFAQ\u003c\/a\u003e pages.\u003c\/p\u003e\n\u003c\/div\u003e\u003chr style=\"margin:32px 0;border:none;border-top:1px solid #e5e5e5;\"\u003e\u003cdiv class=\"related-research\"\u003e\n\u003ch2 style=\"margin-bottom:8px;font-size:20px;\"\u003e📚 Learn More: Related Research\u003c\/h2\u003e\n\u003cp style=\"color:#666;margin-bottom:14px;font-size:14px;\"\u003eDeeper science and how-to guides from the Katalyst Journal.\u003c\/p\u003e\n\u003cul style=\"list-style:none;padding-left:0;margin:0;\"\u003e\n\u003cli style=\"margin-bottom:10px;line-height:1.5;\"\u003e\u003ca href=\"\/blogs\/blog\/red-light-therapy-101-beginners-guide\" style=\"color:#ff4d4d;text-decoration:none;font-weight:600;\"\u003eRed Light Therapy 101: Beginner's Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin-bottom:10px;line-height:1.5;\"\u003e\u003ca href=\"\/blogs\/blog\/harvard-medical-review-red-light-therapy-as-skin-s-all-round-repair-treatment\" style=\"color:#ff4d4d;text-decoration:none;font-weight:600;\"\u003eHarvard Medical Review: Red Light for Skin Renewal\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin-bottom:10px;line-height:1.5;\"\u003e\u003ca href=\"\/blogs\/blog\/red-light-therapy-at-home-how-often-how-long\" style=\"color:#ff4d4d;text-decoration:none;font-weight:600;\"\u003eHow Often \u0026amp; How Long: At-Home Usage Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003chr\u003e\u003ch3\u003eRelated Reading\u003c\/h3\u003e\u003cp\u003eWant to learn more? Check out our deep dive: \u003ca href=\"\/blogs\/blog\/red-light-therapy-for-hair-growth-does-it-work\"\u003eRed Light Therapy for Hair Growth: Does It Really Work?\u003c\/a\u003e\u003c\/p\u003e","brand":"KATALYST","offers":[{"title":"Default Title","offer_id":45989650890949,"sku":null,"price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0765\/6128\/5317\/files\/katalyst-red-light-scalp-massage-comb-pure-white-background-front-view_83b4f88a-fdfd-438d-adc3-be73bc76a1b3.webp?v=1775011807","url":"https:\/\/katalystaction.com\/products\/red-light-hair-care-comb-s18","provider":"Katalyst","version":"1.0","type":"link"}