Apply onto wet skin and gently massage with fingertips. Wait a few minutes and rinse thoroughly. For best results, use 1-2 times a week. Use no more than once a day. Slight tingling or redness upon application may occur. Patch test prior to use is advised. Sunburn Alert: Contains an AHA that may increase 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.