EltaMD Skin Recovery Serum is powered by twice the concentration* of our patented AAComplex Technology, a special blend of amino acids that help repair a damaged skin barrier from environmental aggressors by calming skin and minimizing the risk of irritation. Antioxidants vitamin E and centella asiatica to help defend against free radical damage, while glycerin, hyaluronic acid and vitamin B5 provide lightweight hydration. The result is hydrated, healthier, more resilient skin with a visible reduction in redness. Clinically proven to reduce redness by 53% in 24 hours. For optimal results, use with the entire Skin Recovery Collection.