The Derma Topix Zolidyne Shampoo is a gentle, specially formulated shampoo to help control flaking and itching associated with dandruff and/or seborrheic dermatitis. The shampoo effectively works to treat dandruff, soften the hair follicles, as well as soothes itchiness and irritation of the scalp. The active ingredient, 2% Zinc Pyrithione, is a medically proven treatment for controlling common scaling disorders of the scalp. The shampoo also contains hydrating agent Glycerin to help attract water and ultimately soften the hair. The Zolidyne Shampoo is gluten-free, oil-free, and paraben-free. The shampoo contains a hypoallergenic fragrance, which is suitable for even the most sensitive of skin.