Kiehl’s Rejuvenating Essence Ferulic Brew Antioxidant Facial Treatment with Lactic Acid With ingredients brewed for 120 hours, this 99% natural formula with Ferulic Acid, Lactic Acid (AHA) & Squalane provides powerful antioxidant protection to visibly smooth and even skin’s texture and tone, reduce fine lines and leave skin with a healthy-looking glow. Benefits • Absorbs quickly to gently remove dull surface skin for a smoother, even, and glowing complexion • Provides antioxidants for skin to support skin's natural recovery process and defend against skin-aging free radicals • Visibly reduces fine lines and helps to prevent early signs of aging • For all skin types, including sensitive skin Key Ingredients • Ferulic Acid: defends against free radicals to prevent visible signs of aging and dullness • Lactic Acid: refines the look of tone and texture for visibly smoother, more even, glowing skin • Squalane: hydrates and supports skin’s moisture barrier