Discover the K18 Leave-In Molecular Repair Hair Mask 50ml , for strengthened, moisturised hair with improved elasticity. This leave-in treatment mask is designed for for all hair types to reverse damage in 4 minutes. This mask helps to maintain hair strength and elasticity in-between appointments. Patented K18PEPTIDE™ technology works to repair damage, restoring strength, softness, smoothness, and bounce to hair. Restore your hair's strength, softness and bounce with this repairing mask that works to heal damage from bleach, colour, chemical services, heat, and mechanical styling.