K18 Leave-In Molecular Repair Hair Mask - 5 ml - New

K18 Biomimetic Hairscience Leave-In Molecular Repair Hair Mask 5 ml / 0.17 fl oz (Mini) New, Never Opened Offers comprehensive, lasting damage repair by reconnecting both polypeptide chains and disulfide bonds broken during bleaching, coloring, chemical services, and heat. Restores hair from even extreme damage - by working at the innermost layer of the hair, core strength and elasticity are renewed for strong, smooth, bouncy hair. Delivers immediate and lasting results. Leave-in formula works in just 4 minutes, with no extra rinse required. Works on all hair types. pH-optimized (5.0-6.0) to help minimize cuticle swelling and put hair proteins in their most resilient state. Cream format enables easy, lightweight application across all hair types, with detangling and softening benefits. Vegan, color-safe, cruelty-free.