The K18 Leave-In Molecular Repair Hair Mask is a revolutionary treatment that harnesses patented peptide technology to repair and restore hair damaged by bleach, color treatments, chemical services, and heat styling. In just 4 minutes, this innovative formula works to reverse hair damage, rebuilding strength and softness, while offering protection against future harm. Suitable for all hair types, it provides a long-lasting solution to maintain healthy, vibrant hair. If you're seeking a fast and effective way to repair your hair and keep it looking its best, the K18 Leave-In Molecular Repair Hair Mask is the ideal choice.