K18 Leave-In Molecular Repair Mask

The 4-minute leave-in that changed damaged-hair care. K18PEPTIDE helps reconnect keratin chains broken by bleach, color, chemical services, and heat, restoring strength, softness, and elasticity.
Best for: Bleached, color-treated, or heat-damaged hair; the essential aftercare for any chemical service.
How to use: Shampoo, do not condition. Towel-dry thoroughly, apply 1-3 pumps starting at ends, leave 4 minutes, do not rinse out.