j.f. lazartigue Anti-Dandruff Shampoo is enriched with zinc pyrithione, an active ingredient recognised by dermatologists to limit the development of the Malassezia bacteria with proven effectiveness on dandruff. Its concentrated formula purifies the scalp, eliminates dandruff and flakes are less visible. It helps regain a healthy scalp in order to prevent dandruff formation with a fresh fragrance, it instantly soothes the scalp leaving hair clean, soft and shiny.