What it is: An antioxidant-rich facial essence brewed with ferulic and lactic acids for visibly glowing skin. In just seven days, skin looks smooth and even with less-visible fine lines. Skin Type: Normal, Dry, Combination, and Oily Skincare Concerns: Fine Lines and Wrinkles, Dullness, and Uneven TextureFormulation: LiquidHighlighted Ingredients:- Ferulic Acid: Defends against free radicals to prevent visible signs of aging and dullness.- Lactic Acid (AHA): Refines the look of tone and texture for visibly smoother, more even, glowing skin. - Squalane: Hydrates and supports skin’s moisture barrier.Ingredient Callouts: Free of parabens, formaldehydes, formaldehyde-releasing agents, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It also comes in recyclable packaging.What Else You Need to Know: With ingredients brewed for 120 hours, this 99 percent natural* formula with ferulic acid, lactic acid, and squalane provides powerful antioxidant protection to visibly smooth and even texture and tone, reduce fine lines, and impart a healthy-looking glow.*Kiehl’s Since 1851 considers ingredients to be naturally derived if they retain more than 50 percent of their molecular structure after being processed from a natural source. Clinical Results: In a 4-week consumer-perception study of 60 subjects, after 7 days:- 92% agreed skin looked hydrated- 92% agreed skin looked rejuvenated- 90% agreed skin felt smoother