SkinCeuticals Blemish + Age Defense is an advanced solution to help eliminate adult acne while addressing wrinkles, fine lines and uneven skin tone. A combination of 2% dioic acid with alpha and beta hydroxy acids prevent blemishes while diminishing hyperpigmentation and reducing wrinkles and fine lines. This targeted treatment also inhibits excess of sebum production, unclogs pores and helps prevent skin darkening from UV exposure. Key Ingredients: 2% Dioic Acid: naturally derived from vegetables, this ingredient helps reduce excess sebum 0.3% LHA (Caproloyl Salicylic Acid): a lipo-hydroxy acid, LHA, evenly exfoliates skin, decongests pores, and refines the skin’s surface 1.5% Salicylic Acid: a beta-hydroxy acid refines pores and helps reduce the formation of acne 3.5% Glycolic Acid and 0.5% Citric Acid: these alpha-hydroxy acids work synergistically to smooth skin and minimize the appearance of fine lines and wrinkles Key Benefits: Reduces excess sebum production Improves the appearance of blotchiness, blemishes, and uneven skin tone Decongests clogged pores Diminishes visible signs of aging Ideal for acne-prone, oily, combination, and aging skin types *Product is new, sealed, & unused.