Diprosone lotion 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 lotion is used to treat skin problems affecting the scalp including eczema and all types of dermatitis and psoriasis of the scalp eczema is a common skin disease which causes the ski