K18 mini leave-in molecular repair hair mask, 15ml/0.50fl oz

K18 mini leave-in molecular repair hair mask New in the original sealed packaging. Opened box for photos only, never used. Product has never been opened or used. Photos of opened/swatched product borrowed for reference only. 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. Repairs Damage Caused By Bleach + Color/Chemical Services Heat K18PEPTIDE is a biotech-developed peptide that mimics hair's structure to reverse damage by reconnecting polypeptide chains and disulfide bonds broken during bleaching, color and chemical services + heat. pH-optimized (5.0-6.0) to help minimize cuticle swelling + put hair proteins in their most resilient state. Shampoo, do not condition. Towel-dry thoroughly Apply 3-9 pumps of K18 leave-in molecular repair hair mask based on your length and density, starting at the ends and working up towards the roots Let sit for 4 minutes. Do not rinse out Comb, add product + style as usual. Use for 4-6 washes post-salon service, then as needed 15ml/0.50fl oz