L'Oreal Absolut Repair Molecular Peptides Bonder 190mlDescription Deep molecular repairing pre treatment for damaged hair. More than surface repair, molecular repair. Refills hair molecular structure with long lasting efficacy. Deep penetration, instant transformation. [SCIENTIFIC DISCOVERY MOLECULAR REPAIR] When hair is damaged, its molecular structure, composed of peptides, is compromised. Hair breaks, becomes elastic, with no movement. But most peptides are too big to be reinjected into the fibre,