Glycolic Acid – A proven alpha-hydroxy acid helps support cell turnover via epidermal exfoliation for smoother-looking, softer skin. Urea USP – Hydrophilic, possessing a very high water binding capacity, helps to reduce the amount of water lost throughout the skin. Exfoliates dead skin improving cell turnover of the epidermis. Proteolytic Enzymes – Papain and Bromelain loosen and remove scales and dead skin exposing fresh, healthy, mnoist skin. Hexanoyl Dipeptide 3 – and Norleucine acetate promote exfoliation to quickly remove dry, hardened skin. Amino Acids 19 amino acids proportioned biomimetically as they appear in healthy skin comprise the skin's Natural Moisturizing Factor (NMF). These hydrophillic amino acids bind moisture to the skin keeping it soft and refreshed.