
17,17-(Ethylenedioxy)androst-4-en-3-one (4-androstene-3,17-dione-17-cyclic ethylene ketal) is an effective ingredient in cosmetics, which can be used for acne and promote hair growth research. 17,17-(Ethylenedioxy)androst-4-en-3-one can inhibit the reductase activity and inhibit the bond of a receptor protein and 5α-DHT[1].
