Neostrata Enlighten Dual Acid Brightening Peeling 50ml Radiant Care Helps the skin look even-toned, bright and radiant. It contains highly concentrated 10% Glycolic Acid and 10% Polyhydroxy Acid (PHA). How to Use: It can be used 1 to 3 times a week in the evenings for the face, neck and decollete area. Apply to clean and dry skin using a piece of cotton. Avoid around the eyes and lips. Leave it on for 15-20 minutes and rinse as long as your skin tolerates. Product Content: aqua/water/eau, alcohol denat., glycolic acid, gluconolactone, arginine, ethoxydiglycol, acetyl glycyl beta-alanine, peg-12 dimethicone, sodium hydroxide, hydroxyethylcellulose.