Ingredient
K18Peptide
Molecular hair repair is a major premium category, and K18 remains one of its best-known technologies.
Category: Hair Repair
Chemical formula: Proprietary peptide
Main cosmetic effects: Improves feel and strength of damaged hair; bond-network positioning.
Source: Proprietary synthetic biomimetic peptide.
Developer / supplier: K18 Biomimetic Hairscience
Origin: United States
Representative product: K18 Leave-In Molecular Repair Hair Mask
Approx. retail price (USD): 75
Evidence maturity: Strong brand/product evidence; proprietary mechanism
What it does
Improves feel and strength of damaged hair; bond-network positioning.
Notes
Hair Repair | Strong brand/product evidence; proprietary mechanism