{"product_id":"k18-leave-in-molecular-repair-hair-mask-1-7-fl-oz-peptide-treatment-for-bleach-color-heat-damaged-hair-4-minute-repair","title":"K18 Leave-In Molecular Repair Hair Mask — 1.7 fl oz Peptide Treatment for Bleach, Color \u0026 Heat-Damaged Hair, 4-Minute Repair","description":"\u003cstrong\u003eK18 Leave-In Molecular Repair Hair Mask is a 4-minute peptide treatment that visibly strengthens and smooths chemically or heat-damaged hair without rinsing.\u003c\/strong\u003e\n\n\u003cp\u003eThis lightweight, leave-in cream harnesses the patented K18PEPTIDE™ to reconnect hair’s internal structure where damage happens, not just the surface. Designed for all hair types, the formula targets weakened keratin chains to restore elasticity, reduce breakage, and improve manageability after just a few uses. Use as a short treatment after shampooing to jumpstart repair and maintain healthier-looking strands between salon services.\u003c\/p\u003e\n\n\u003ch3\u003eHow quickly will I see improvement with the K18 peptide mask?\u003c\/h3\u003e\n\u003cp\u003eMost users notice softer, stronger hair after 2–3 applications, with immediate improvements in texture from the first 4-minute treatment. The concentrated peptide works during a single leave-in session and builds cumulative benefits when used over consecutive washes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply on towel-dried hair for four minutes — no rinse required.\u003c\/li\u003e\n  \u003cli\u003eRecommended initial run: 4–6 consecutive washes for best results.\u003c\/li\u003e\n  \u003cli\u003eMany report visible strength and bounce after only two to three treatments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this mask repair damage from bleach, color, or heat styling?\u003c\/h3\u003e\n\u003cp\u003eThe K18PEPTIDE™ is formulated to act at the molecular level, reconnecting polypeptide chains and disulfide bonds disrupted by bleaching, coloring, chemical services, and thermal tools. While it cannot reverse time, it can rebuild internal structure to reduce breakage and improve resilience along the hair shaft.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpecifically designed to work on chemically treated and heat-exposed hair.\u003c\/li\u003e\n  \u003cli\u003eRestores strength along both the length and width of the strand.\u003c\/li\u003e\n  \u003cli\u003eSafe for repeated use as part of a maintenance routine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use the K18 Leave-In Molecular Repair Hair Mask in my routine?\u003c\/h3\u003e\n\u003cp\u003eUse after shampooing: skip conditioner, towel-dry, then apply 1–3 pumps depending on length and thickness. Let the mask sit for four minutes and do not rinse; follow with styling as usual. Repeating over successive washes accelerates restoration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eShampoo and towel-dry hair before application.\u003c\/li\u003e\n  \u003cli\u003eUse 1 pump for short hair, up to 3 pumps for long or thick hair.\u003c\/li\u003e\n  \u003cli\u003eNo rinsing—leave the formula in and style normally.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill K18 work on curly or coily hair?\u003c\/h3\u003e\n\u003cp\u003eBecause the treatment repairs internal keratin links rather than just smoothing the outer cuticle, it’s effective across curl patterns and textures. It helps reduce breakage and tangling while improving elasticity and shape retention for curly, coily, and textured hair.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFormulated to benefit all hair types, including coily and curly strands.\u003c\/li\u003e\n  \u003cli\u003eImproves manageability and detangling without weighing hair down.\u003c\/li\u003e\n  \u003cli\u003eEnhances bounce and definition alongside strength improvements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: K18 Leave-In Molecular Repair Hair Mask is intended for anyone with weakened, chemically processed, heat-stressed, or aging hair seeking a quick, leave-in peptide therapy. It suits salon-goers, at-home colorists, frequent stylers, and anyone wanting a science-driven way to restore resilience and softness without heavy conditioners or long rinse-out treatments.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSize: 1.7 fl oz — travel-friendly and concentrated for multiple treatments.\u003c\/li\u003e\n  \u003cli\u003eKey tech: patented K18PEPTIDE™ that mimics and reconnects keratin structure.\u003c\/li\u003e\n  \u003cli\u003eResult focus: strength, smoothness, elasticity, and improved manageability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIngredients\u003c\/h3\u003e\n\u003cp\u003eWater (Aqua) (Eau), Alcohol Denat., Propylene Glycol, Cetearyl Alcohol, Dicaprylyl Ether, Cetyl Esters, Behentrimonium Chloride, Polysorbate 20,sh-Oligopeptide-78 (K18PEPTIDE™), Hydrolyzed Wheat Protein, Hydrolyzed Wheat Starch, Isopropyl Alcohol, Tocopherol, Phenoxyethanol, Potassium Sorbate, Citric Acid, Fragrance (Parfum), Geraniol, Linalool, Hexyl Cinnamal, Benzyl Alcohol.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I rinse out K18 Leave-In Molecular Repair Hair Mask?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—apply to clean, towel-dried hair, leave for four minutes, then style without rinsing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How often should I use the mask for best results?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Use for 4–6 consecutive washes initially, then apply as needed to maintain repair and strength.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"K18","offers":[{"title":"Default Title","offer_id":58344676557187,"sku":"B0961ZS96M","price":104.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/2696\/0515\/files\/k18-front-packaging-jar.jpg?v=1782595487","url":"https:\/\/origin-beauty.com\/products\/k18-leave-in-molecular-repair-hair-mask-1-7-fl-oz-peptide-treatment-for-bleach-color-heat-damaged-hair-4-minute-repair","provider":"Origin Beauty","version":"1.0","type":"link"}