Formulated with twice the concentration of our patented AAComplex*, this serum is packed with ingredients that strengthen and renew the skin’s natural barrier, improving skin health from the inside out and visibly reducing redness in just 24 hours. With soothing ingredients like Vitamin B5 (panthenol) and Cica (also known as Tigergrass Extract), it calms inflammation and improves skin barrier function. It also contains powerful antioxidants that protect against free radicals that cause skin aging. It’s dermatologist-tested, dye-free, fragrance-free, paraben-free, non-comedogenic, and suitable for sensitive and acne-prone skin. (1.0 fl oz/20 mL) Brand new never used