The Glycolic Acid Rejuvenating Face Exfoliator gently exfoliates and retextures. It has been designed to refine, brighten and renew skin. Glycolic Acid aims to penetrate deep into the skin while treating fine lines, acne, blackheads, dullness and oiliness for a youthful appearance. Proline contributes to the promotion of firmer, glowing skin and helps reduce the appearance of sagging, wrinkles and fine lines.