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K18 Leave In Molecular Repair Hair Mask

$29.99

Powered by K18Peptide™, a patented bioactive peptide, the K18 Leave-In Molecular Repair Hair Mask works on a molecular level to repair broken keratin chains, reversing hair damage in just 4 minutes. This lightweight, leave-in treatment restores strength, softness, smoothness, and bounce—without rinsing out.

Formulated with the revolutionary K18Peptide™, it travels deep into the hair cortex to reconnect polypeptide chains and disulfide bonds caused by chemical services, heat, and environmental stressors. Unlike traditional masks that coat the cuticle, this formula renews hair from the inside out, delivering lasting results that do not wash away.

With its clean, cruelty-free, and vegan formula—free from sulfates, parabens, phthalates, artificial colorants, and heavy silicones—this treatment is designed for all hair types, including color-treated and chemically processed hair.

Perfect for reviving compromised strands, K18 Leave-In Molecular Repair Hair Mask delivers clinically proven repair, resilience, and healthier-looking hair with every use.

Powered by K18Peptide™, a patented bioactive peptide, the K18 Leave-In Molecular Repair Hair Mask works on a molecular level to repair broken keratin chains, reversing hair damage in just 4 minutes. This lightweight, leave-in treatment restores strength, softness, smoothness, and bounce—without rinsing out.

Formulated with the revolutionary K18Peptide™, it travels deep into the hair cortex to reconnect polypeptide chains and disulfide bonds caused by chemical services, heat, and environmental stressors. Unlike traditional masks that coat the cuticle, this formula renews hair from the inside out, delivering lasting results that do not wash away.

With its clean, cruelty-free, and vegan formula—free from sulfates, parabens, phthalates, artificial colorants, and heavy silicones—this treatment is designed for all hair types, including color-treated and chemically processed hair.

Perfect for reviving compromised strands, K18 Leave-In Molecular Repair Hair Mask delivers clinically proven repair, resilience, and healthier-looking hair with every use.

Ingredients

Water (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

Safety & Certification Statement

  • Biotech-Backed Repair – powered by the patented K18Peptide™, clinically proven to reconnect keratin chains and repair hair at a molecular level.

  • Clean-Formulated – free from parabens, sulfates, phthalates, silicones, and artificial colorants, making it safer for sensitive scalps and damaged hair.

  • Pregnancy & Breastfeeding Friendly – formulated without retinoids, harsh acids, or contraindicated actives; generally considered safe for use during pregnancy and nursing.

  • Hormone & PCOS-Safe – crafted without parabens or phthalates, which are commonly flagged for endocrine disruption, making it suitable for those with hormone sensitivities.

  • Vegan & Cruelty-Free – made without animal-derived ingredients and never tested on animals.

  • Color & Chemically Treated Hair Safe – designed to work synergistically with bleached, dyed, or chemically processed hair to restore strength without compromising treatments.

  • Minimal Fragrance – contains a light synthetic fragrance with trace allergens (like linalool and geraniol); suitable for most, but may not be ideal for highly fragrance-sensitive users.

  • Dermatologist-Tested – developed to be safe for regular use on scalp and hair without causing buildup or irritation.

  • For All Hair Types – clinically tested on straight, wavy, curly, and coily textures, with proven results in just 4 minutes.

Clean Beauty Rating

Final Clean Rating: 82 / 100

Key Benefits

  • Repairs Hair at a Molecular Level – powered by patented K18Peptide™ that reconnects broken keratin chains to reverse damage from bleach, color, heat, and chemical services.

  • Clinically Proven in 4 Minutes – restores strength, softness, smoothness, and bounce in minutes, not months.

  • Long-Lasting Results – unlike traditional masks that wash out, K18’s repair is permanent until the hair is damaged again.

  • Lightweight Leave-In Formula – no rinse required; absorbs quickly without buildup or heaviness.

  • Strengthens & Reduces Breakage – reinforces hair structure for greater resilience against future damage.

  • Color-Safe & Chemically Treated Hair Friendly – designed to protect and restore bleached, dyed, or chemically processed hair.

  • Suitable for All Hair Types & Textures – proven effective on straight, wavy, curly, and coily hair.

  • Vegan & Cruelty-Free – clean, conscious formula developed without animal-derived ingredients or testing.

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