Directions: Apply to face and neck at night following cleansing and the use of any other treatment product. Daily use of sunscreen or sun avoidance is recommended with use of this AHA product and for one week after, to minimize the risk of sun sensitivity/sunburn. A light peeling or tingling sensation may occur when using these high-strength formulations. If uncomfortable, reduce usage to every other day until skin adjusts. For easy product dispensing, store tube upright on its cap.