AHA 30% + BHA 2% Peeling Solution is a water-based exfoliating mask with alpha and beta hydroxy acids. * Size: 30 ml * pH: 3.7 * Cruelty-free Apply a small amount to clean, dry skin. Leave the mask on for no more than 10 minutes. Rinse thoroughly with lukewarm water. This product should not be used more than twice per week. We recommend applying it at night. This product should not be used on sensitive, peeling, or compromised skin. Alpha hydroxy acids may increase your skin's sensitivity to the sun. Use sunscreen, wear protective clothing, and limit sun exposure while using this product.