Expertly developed for extremely damaged hair, the L'Oréal Professionnel Serié Expert Absolut Repair Molecular Leave-in Mask works to strengthen and renew the look of brittle, broken strands. The leave-in conditioner reinstates the appearance of elasticity and movement, compromised by damaging chemical treatments. Powered by advanced patented technology, starring Peptides Bonder and five amino acids, the innovative formula breathes life and bounce back into stagnant strands. Lightweight but powerful, the leave-in treatment visibly revitalises damaged-looking lengths while offering antioxidant protection and heat defence up to 230°***. Suitable for all damaged hair textures, the hair is left feeling up to 97% stronger* with a radiant-looking shine. Proven Results: Up to 97% more hair strength* Rebuilds hair molecular structure** Heat Protection up to 230°C/450°F