Neostrata Antioxidant Defense serum

8% AHA/PHA • Formulated to help combat the appearance of oxidation-induced photoaging • Multi-action formula targets 5 types of environmental aggressors • Oil-free How to use: Using fingertips, gently apply serum to cleansed face. Can be smoothed all over the face and neck or applied to specific areas. Gently massage any remaining excess into the skin. Sunburn Alert: This product contains and Alpha Hydroxy Acid (AHA) that may increase your skin's sensitivity to the sun and particularly the possibility of sunburn. Use a sunscreen, wear protective clothing, and limit sun exposure while using this product and for a week afterwards. this has only been used once. I'm very very picky on skincare so I have a lot lol a lot of skin care that hasn't been touched or tried once