Biomimetic Keratin: acts on damaged areas of the hair, that is, where there are structural deficiencies, rebuilding them. Collagen: A protein that helps protect bulb stem cells from free radical damage. Zinc: helps limit oxidative stress, that is, the metabolic process, which accelerates the aging of our cells. Millet: strengthens the hair structure, preventing breakage and counteracting hair loss. How to use After shampooing, towel dry your hair, apply the serum to damp hair and rub lightly. Continue with styling. Do not rinse.