DS Laboratories Revita Anti-hair loss 30 tabletsExclusive recipe with biotin, zinc and melatonin . DS Laboratories Revita Anti hair loss contains 12 active ingredients, including plant extracts, vitamins and minerals. Zinc and biotin contribute to the good condition of the hair . Zinc is an effective antioxidant and also helps the normal condition of nails. Main features: Biotin and zinc contribute to good hair condition Zinc also helps the normal condition of the nails Zinc helps protect cells