Diprosone Ointment contains the active ingredient betamethasone dipropionate. Betamethasone dipropionate belongs to a group of medicines called topical corticosteroids which are used on the surface of the skin to reduce the redness and itchiness caused by certain skin problems. In adults and children, Diprosone Ointment is used to treat skin problems, including eczema, all types of dermatitis and psoriasis of the scalp, hands and feet. Eczema is a common skin disease, which causes the skin to become red and itchy. Dermatitis is inflammation of the skin. Psoriasis is a skin disease in which itchy, scaly, pink patches develop on the elbows, knees, scalp and other parts of the body.