L'Oreal Professional Serie Expert Absolut Repair Molecular Leave-in Mask 100mlThe Absolut Repair Molecular repairing leave in mask restores strength, elasticity and movement while protecting against heat damage up to 230C. When hair is damaged, its molecular structure, composed of peptides, is compromised. Hair breaks, becomes too elastic, with no movement. Most peptides are too big to be reinjected into the fibre, making damaged hair almost irreversible. For the first time L'Oreal Advanced Research achieved to decompose