K18 Biomimetic HairScience Leave-in Molecular Repair Hair Mask, 0.17 fl oz/5 mL, Pack Of 5

Name: K18 Biomimetic HairScience Leave-in Molecular Repair Hair Mask, 0.17 fl oz/5 mL, Pack Of 5
Brand: K18 Biomimetic HairScience

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Product is rated SkinSAFE 82

Product is 82% free of the top 11 most common allergens, as determined by Mayo Clinic Research

Learn More About SkinSAFE Ratings

Ingredient information last updated on Sep 24, 2025 by SkinSAFE Team

K18 Biomimetic HairScience Leave-in Molecular Repair Hair Mask, 0.17 fl oz/5 mL, Pack Of 5 - thumbnail 1

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K18 Biomimetic HairScience Leave-in Molecular Repair Hair Mask, 0.17 fl oz/5 mL, Pack Of 5

Product is rated SkinSAFE 82

Product is 82% free of the top 11 most common allergens, as determined by Mayo Clinic Research

Learn More About SkinSAFE Ratings

Ingredient information last updated on Sep 24, 2025 by SkinSAFE Team

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Topical Antibiotic Free

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Ingredients

Propylene Glycol Alcohol Denat Behentrimonium Chloride Benzyl Alcohol Cetearyl Alcohol Cetyl Esters Citric Acid Dicaprylyl Ether Fragrance (PARFUM) Geraniol Hexyl Cinnamal Hydrolyzed Wheat Protein Hydrolyzed Wheat Starch Isopropyl Alcohol Linalool Phenoxyethanol Polysorbate 20 Potassium Sorbate sh-Oligopeptide-78 TOCOPHEROL Water (Aqua) (Eau)

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Description

Ingredient & Allergen Review

SkinSAFE has reviewed the ingredients of K18 Biomimetic HairScience Leave-in Molecular Repair Hair Mask, 0.17 fl oz/5 mL, Pack Of 5 and found it to be 82% Top Allergen Free and free of Coconut, Nickel, Lanolin, Paraben, Topical Antibiotic, MCI/MI, Soy, Oil, Dye, and SLS. Product is Teen Safe.

Product Description

A leave-in treatment mask that works on the molecular level to reverse hair damage in just 4 minutes. The K18PEPTIDE is clinically proven to repair damage from bleach + color, chemical services and heat* – with immediate and lasting results to restore strength, softness, smoothness and bounce to hair.