This leave-in drug-free* formula addresses the three main causes of hereditary, hormonal hair thinning to help preserve existing hair while visibly redensifying existing thin, sparse hair. No -rinse, drug-free solution for progressive, hereditary hormonal hair thinning. Addresses the three main factors that contribute to this type of thinning hair. ATP Intensif, Pfaffia extract and essential oils of Orange and Lavender energize the scalp and optimize the environment for healthy hair.