Apply an even layer onto face, neck and chest, avoiding the eye area. Start with a few applications a week and increase use, if tolerable. Use no more than once a day. Follow with moisturizer. 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.