Kiehl's Iris Extract Activating Essence Treatment (For All Skin Types) has the following features: Delivers anti-aging and hydrating ingredients to skin’s surface layers with unique, velvety liquid concentrate. Features Iris Florentina Root Extract that is known for its deeply nourishing and anti-aging benefits to skin. Infused with Lipo Hydroxy Acid (LHA), it activates skin’s natural exfoliation process. Formulated with Sodium Hyaluronate, it helps replenish skin and smooth fine lines. Day after day, it visibly improves the appearance of fine lines, dullness, and rough texture. An essential “first step” anti-aging treatment to maintain skin’s youthful texture, reduce fine lines, and activate radiance.