{"product_id":"k18-leave-in-molecular-hair-mask","title":"K18 Leave-In Molecular Hair Mask - Repairs Damaged Hair from Bleach, Color, Chemical \u0026 Heat","description":"\u003ch3\u003eReverse Years of Hair Damage in Just 4 Minutes\u003c\/h3\u003e\u003cp\u003eBleach, color, heat, chemical services — every treatment your hair has ever endured leaves a mark. The K18 Leave-In Molecular Hair Mask is the breakthrough that changes everything. Powered by the patented K18PEPTIDE, this leave-in treatment works at the molecular level to reconnect broken keratin chains and restore your hair's natural strength, softness, and elasticity. It's not a conditioning mask that temporarily coats the strand — it's a true repair treatment that reverses damage from the inside out, delivering results that last wash after wash.\u003c\/p\u003e\u003ch3\u003eThe Science Behind the Softness\u003c\/h3\u003e\u003cp\u003eK18 was developed after years of biomimetic research to create a peptide that perfectly mirrors the natural structure of hair's polypeptide chains. When applied to damaged hair, the K18PEPTIDE penetrates the cortex and relinks broken disulfide bonds — the same bonds that bleach, color, and chemical services sever. The result is hair that feels genuinely restored: softer, stronger, bouncier, and more manageable than it has been in years. Suitable for all hair types, including color-treated, bleached, relaxed, and heat-styled hair.\u003c\/p\u003e\u003ch3\u003eLeave It In, Let It Work\u003c\/h3\u003e\u003cp\u003eThe application couldn't be simpler. After shampooing, apply a small amount to towel-dried hair, comb through, and do not rinse. Style as usual and let the K18PEPTIDE do its work. No waiting, no rinsing, no fuss — just visibly healthier hair from the very first use. With fast US shipping, your hair's comeback story starts the moment you order. Give your strands the molecular repair they deserve.\u003c\/p\u003e","brand":"K18","offers":[{"title":"Default Title","offer_id":51800032870688,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0985\/3367\/1200\/files\/k18-biomimetic-hairscience-leave-in-molecular-repair-hair-mask-50ml-hd-white-background.png?v=1780830547","url":"https:\/\/naqvigroupllc.com\/products\/k18-leave-in-molecular-hair-mask","provider":"Naqvi Essence","version":"1.0","type":"link"}