AHA 12 Facial Cleanser is strong and should not be used daily. For best results Skincare Science recommends using 1 – 2x per week in the evening only and allow to sit on the skin for 60 - 90 seconds, rinse with cool water. Follow up with a hydrating serum, lotion or anti-aging product. Protect the skin from the sun at all times when using a resurfacing product Indication: All Skin Types (Sensitive skin types should avoid this product) - pH 3.3 - 3.6 • Increase cell renewal, stimulation of ceramide synthesis and barrier repair • Improves the appearance of fine wrinkles and rough skin texture • Stimulation of fibroblasts, which leads to increased collagen formation • Increased dermal thickness Directions for use Apply a small amount using finger tips or cotton-round to damp skin and massage into a lather. Rinse with cool water and pat dry.(resurfacing acid). Glycolic acid can make the skin sensitive to the sun’s rays.