It is a combination of three medicines: Hydroquinone , Tretinoin and Hydrocortisone which treat melasma (dark spots on skin). Hydroquinone is a skin lightening medicine. It reduces the amount of a skin pigment (melanin) that causes darkening of skin. Tretinoin is a form of vitamin A that helps the skin to renew itself more quickly. Hydrocortisone is a steroid which blocks the production of certain chemical messengers (prostaglandins) that make the skin red, swollen and itchy.

Application site reactions (burning, irritation, itching and redness), Thinning of skin, Dry skin