AB AHA 30% BHA 2% Peeling Serum by Cos De BAHAAB AHA 30% BHA 2% Peeling Serum by Cos De BAHA. An intensive exfoliating serum combining high strength AHA and BHA to deeply resurface the skin, unclog pores, and improve overall clarity. Its powerful formula helps smooth texture, fade discoloration, and boost radiance, revealing a brighter, more refined complexion with consistent use. Product contains: AHA 30% (Alpha Hydroxy Acids) exfoliates the skins surface to remove dead skin cells, smooth rough