Prevent breakouts whilst fighting the signs of ageing with SkinCeuticals Blemish + Age Defense Serum, a multi-tasking formula that provides endless skin benefits.Bringing together a potent combination of Salicylic, Glycolic and Citric Acid to reduce the formation of adult acne by controlling sebum production and decongesting clogged pores, the oil-free serum also helps to create a younger-looking complexion.Melting effortlessly into skin, it smooths the appearance of fine lines and wrinkles to reveal a clearer, brighter and more youthful visage.Suitable for oily and combination skin.