This moisturising mask works to rejuvenate the hair, correcting damage and dryness for a softer and shinier finish. It also provides protection against environmental aggressors and helps to keep the hair cleaner for longer.The Living Proof Healthy Hair Molecule improves hair smoothness and keeps it clean for longer. A biomimetic emollient blend allows the mask to support the hairs fibres for improved softness and manageability. Amino acid blend improves shine. Tucuma butter improves softness and shine.To use: Apply 1-2 times per week to shampooed hair and leave for 5 minutes. Rinse thoroughly. Use instead of your usual conditioner.