Kiehls Iris Extract Activating Treatment Essence 200mlWith age, skin's texture begins to look rough and radiance is lost. The causes are three fold: skin's hydration levels and cell turnover rate decrease, and the integrity of the skin's layers is reduced. To reactivate these properties and impart essential nutrients, Kiehl's proudly introduces Iris Extract Activating Treatment Essence a multi action formula that optimizes penetration of subsequent skin treatments and instantly reveals radiant, smooth