This K18 Leave-In Molecular Repair Hair Mask is a revolutionary treatment designed to reverse damage and restore vitality to all hair types, particularly those compromised by chemical services, heat, and styling. Powered by patented K18PEPTIDE technology, alongside hydrolysed wheat protein and starch, this advanced formula works in just four minutes to repair damage from bleach, colour, chemical services, heat, and styling, delivering exceptional strength, softness, smoothness, and bounce. Simply apply this leave-in mask to damp hair after shampooing, allowing its molecular repair properties to deeply penetrate and maintain hair strength and elasticity between salon appointments