This duo provides a 360° action on keratin synthesis to densify the hair fibre, restructure the hair and activate growth. The Growth Complex is a formula rich in the 3 families of active ingredients that make up keratin: sulphur amino acids, B vitamins and minerals. Keratin Absolute contains natural keratin of excellent quality, proven highly bioavailable by clinical study. In order to activate the cellular memory and to have visible and lasting results on the hair fibre, it is necessary to follow this treatment for 3 months in a row.