EltaMD's Skin Recovery Serum is an enriched formula that helps to restore and calm your complexion. Powered by AAC Technology, which is comprised of three amino acids, it helps to maintain hydrated and resilient skin. Glycine helps to prevent tissue breakdown, while taurine helps stressed skin recover, revealing a more smoother and even appearance. Key Ingredients: AAC Technology: comprised of three amino acids. They are the building block of peptides and proteins which are important in maintaining hydrated and resilient skin Arginine: natural moisturizing factor Taurine: maintains skin homeostasis; helps skin recover from stress Glycine: helps prevent tissue breakdown; key amino acid in collagen Ginger Root Extract: improves skin smoothness, promotes anti-wrinkle, and regulates an even complexion Key Benefits: Helps to repair damaged skin barrier Calms skin Helps to minimize the risk of irritation Helps defend against free radical damage Detoxifies the skin Dermatologist tested. Dye-free, fragrance-free, paraben-free