ZO Skin Health Enzymatic Peel x2. Includes two peels: one opened and tested (exp 3/27) and one unopened (exp 4/27) Benefits Helps smooth uneven, rough textured skin Revitalizes dull looking skin Improves the visible signs of sun damage Enhances the benefits of any ZO® Treatment Usage Directions Use 1-2 times per week or as needed. Apply to clean, dry skin at night. Leave on for 1-3 hours. Rinse if desired. Does not require rinsing. Warning: This product contains alpha hydroxy acids (AHAs) 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 afterward.