This patented shampoo by L’Oréal Professionnel, formulated with Peptides bonder + 5 Amino acid, repairs hair macro-molecular structure*. Hair is stronger and nourished, with improved elasticity, movement****, and +86% smoothness*****. *Instrumental test on the fiber macromolecular structure after application of shampoo + rinse-off serum + leave-in mask. **Amino acids & peptides bonder ***Instrumental test after 15 applications of shampoo + rinse-off serum + leave-in mask ****Consumer test after application of shampoo + rinse-off serum + leave-in mask *****Instrumental test