More than surface repair, this patented pre-treatment, concentrated with 3% Peptides bonder + 5 amino acids, refills the hair molecular structure with a long-lasting efficacy****. It restores its strength, elasticity and movement*****. ****Analytical test, after application of pre-treatment + 5 shampoos. *****Consumer test after application of pre-treatment + shampoo + rinse-off serum Read less