This extra strength formulation is ideal for experienced users of glycolic acid and those who prefer a light non greasy and fast absorbing gel suitable for oily acne prone skin or hot humid climates glycolic acid helps correct the visible signs of photoaging such as enlarged pores uneven texture and pigment and enhances collagen for firmer younger looking skin as a highly effective exfoliant this formula can also be used to help relieve ingrown hairs associated with pseudofolliculitis b