Kiehls Vital Skin Strengthening Hyaluronic Acid Super Serum

Our skin-strengthening serum penetrates skin up to 8 surface layers deep to help correct signs of aging through visibly diminishing fine lines and reviving tired-looking, dull skin, which can be caused by skin-aging stressors. Formulated with 11k Da Hyaluronic Acid — our smallest form of Hyaluronic Acid — and a proprietary Adaptogenic Herbal Complex, our potent “super serum” deeply penetrates skin’s surface layers and neutralizes skin-aging stressors to visibly renew skin.