Glycolic acid toner is a skincare product that contains glycolic acid, an alpha-hydroxy acid (AHA) that acts as an exfoliant. It helps to remove dead skin cells on the surface of the skin, revealing newer, brighter layers underneath. Glycolic acid toner can help to improve skin texture, reduce the appearance of fine lines and wrinkles, minimize the appearance of pores, and even out skin tone. It can also help to fight acne and reduce dark patches on the face. Glycolic acid toner should be used after cleansing and before applying other skincare products, such as serums and moisturizers. It is important to note that glycolic acid toner should not be used on sensitive, peeling, or compromised skin.