Dr. Barbara Sturm's Night Serum boosts skin's nightly regeneration phase to help repair its barrier function and reduce the visible appearance of wrinkles. Formulated with Hyaluronic Acid to provide instant hydration, Cotton Thistle Extract to counteract dryness & stressed skin, Senna Alata Extract to support skin's natural reparative process, Plankton Extract to reduce the visible appearance of fine lines and wrinkles, and anti-inflammatory Purslane, rich in Omega-3 fatty acids and Vitamins A, C, & E to protect against free radicals.