Repair your hair with this L'Oreal Professionnel Serie Expert Absolut Repair Duo. Molecular Hair Shampoo: For the first time, L'Oreal's Advanced Research team successfully managed to decompose peptides, to inject their components separately into the fibre. Once inside, they reform & rebuild the molecular structure of the hair. This patented shampoo is formulated with Peptides bonder + 5 amino acid which repairs hair macro-molecular structure. Hair is left feeling stronger and more nourished, with improved elasticity, movement, and smoothness. This shampoo has a rich texture that turns into a rich foam which cleanses, detangles hair and delivers a high level of care. Suitable for all damaged hair textures, colour-treated, lightened & natural hair. Rinse-Off Serum: Repair your hair with L'Oreal Professionnel Serie Expert Absolut Repair Molecular Hair Rinse-off Serum. For the first time, L'Oreal's Advanced Research team successfully managed to decompose peptides, to inject their components separately into the fibre**. Once inside, they reform & rebuild the molecular structure of the hair***. This rinse-off serum has been highly concentrated with 2% peptides bonder + 5 amino acids, which repair the hair's macro-molecular structure*. Hair is stronger with improved elasticity and movement****. Suitable for all damaged hair textures, colour-treated, lightened & natural hair. **Amino acids & peptides bonder ***Instrumental test after 15 applications of rinse-off serum ****Consumer test after application of shampoo + rinse-off serum + leave-in mask.