{"product_id":"k18-leave-in-peptide-hair-mask-1-7-fl-oz-4-minute-molecular-repair-for-bleached-colored-heat-damaged-hair","title":"K18 Leave-In Peptide Hair Mask — 1.7 fl oz, 4-Minute Molecular Repair for Bleached, Colored \u0026 Heat-Damaged Hair","description":"\u003cp\u003e\u003cstrong\u003eK18 Leave-In Molecular Repair Hair Mask is a 4-minute peptide treatment that repairs and restores damaged hair by reconnecting at the molecular level for stronger, smoother, more resilient strands.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis concentrated leave-in mask uses a patented K18PEPTIDE to work inside the hair fiber rather than only on the cuticle, targeting damage from bleach, color, chemical services and heat. In simple steps—shampoo, skip conditioner, apply to towel-dried hair, wait four minutes and style—you can begin to see improved texture, detangling and manageability after just a few uses. The formula is suitable for all hair types and designed for both immediate styling convenience and ongoing strengthening when used consistently.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the K18 peptide actually repair hair in four minutes?\u003c\/h3\u003e\n\u003cp\u003eThe K18PEPTIDE is a biotech-designed sequence that mimics natural hair building blocks and binds inside the cortex, helping to re-link broken polypeptide chains and support disulfide bond restoration. Because it acts within the fiber, benefits show quickly without the need for long processing times or rinsing out. The action is mechanical and structural rather than a surface coating.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDelivers peptide molecules that integrate with keratin structure.\u003c\/li\u003e\n  \u003cli\u003eWorks in just four minutes on clean, towel-dried hair—no rinse.\u003c\/li\u003e\n  \u003cli\u003eTargets length and width of the hair for strength, not only shine.\u003c\/li\u003e\n  \u003cli\u003eVisible improvements often after 2–3 consecutive uses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this product work on my specific hair type (curly, coily, fine, or thick)?\u003c\/h3\u003e\n\u003cp\u003eBecause the peptide repairs damage inside the hair shaft, the mask is effective across hair textures—from fine and straight to tightly coiled. The lightweight, concentrated cream formula provides detangling and softening without weighing hair down, making it suitable for varied porosities and densities. Users with different hair structures typically notice improved manageability and bounce.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSafe for curly and coily textures—works beneath the cuticle.\u003c\/li\u003e\n  \u003cli\u003eNon-greasy formula adapts to fine or thick strands.\u003c\/li\u003e\n  \u003cli\u003eHelps reduce tangles and improves styling ease.\u003c\/li\u003e\n  \u003cli\u003eRecommended regimen: 4–6 consecutive washes, then as needed.\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 and before any styling products: do not condition prior to applying. On towel-dried hair, distribute 1–3 pumps depending on length and thickness, let it sit for four minutes without rinsing, then proceed to style. For best results, follow the initial sequence for 4–6 washes to build structural repair, and maintain with occasional treatments as your hair's condition dictates.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eShampoo hair and skip conditioner first.\u003c\/li\u003e\n  \u003cli\u003eApply 1–3 pumps to clean, towel-dried hair—tailor amount to length and density.\u003c\/li\u003e\n  \u003cli\u003eWait 4 minutes, do not rinse; then style normally.\u003c\/li\u003e\n  \u003cli\u003ePerform for 4–6 consecutive washes, then use as maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat visible benefits can I expect and how soon will I notice them?\u003c\/h3\u003e\n\u003cp\u003eMost users report improvements in softness, reduced breakage, easier detangling and increased elasticity after a few uses. While the treatment works quickly on a molecular level, cumulative benefits develop across the recommended initial applications and continue with periodic maintenance. Results include improved texture and manageability rather than temporary surface smoothing alone.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNoticeable reduction in tangles and easier styling within a few washes.\u003c\/li\u003e\n  \u003cli\u003eEnhanced bounce and smoother texture without heavy residue.\u003c\/li\u003e\n  \u003cli\u003eProgressive strengthening over the initial 4–6 wash protocol.\u003c\/li\u003e\n  \u003cli\u003eCompatible with colored and chemically treated hair routines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: This leave-in molecular repair mask is designed for anyone with compromised hair from bleaching, coloring, chemical treatments or heat styling who wants a fast, in-salon-quality fix at home. It suits all textures and lengths—from short, fine strands to long, coily hair—and is especially helpful for people seeking a non-rinse solution that builds strength and resilience over multiple uses. If you want an efficient, science-backed step to improve hair structure without adding weight or long processing times, this treatment fits into both weekly and maintenance regimens.\u003c\/p\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: How long should I leave the K18 mask in my hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Leave it on for four minutes on clean, towel-dried hair and do not rinse for best effect.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use K18 on colored or bleached hair?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The peptide is designed to repair damage from bleaching, coloring and chemical services.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"K18","offers":[{"title":"Default Title","offer_id":51488549961961,"sku":"B0961ZS96M","price":193.86,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/7674\/2633\/files\/k18-front-bottle.jpg?v=1783304147","url":"https:\/\/cervaaustralia.com\/products\/k18-leave-in-peptide-hair-mask-1-7-fl-oz-4-minute-molecular-repair-for-bleached-colored-heat-damaged-hair","provider":"Cerva Australia | Professional Beauty Supplies, Skincare \u0026 Cosmetics","version":"1.0","type":"link"}