Expertly formulated with only seven ingredients, Kiehl's Ultra Pure 1.5% Hyaluronic Acid Moisture Plumping High-Potency Serum helps to replenish the skin with moisture, ideal for all skin types including sensitive.Concentrated with 1.5% hyaluronic acid, the potent formula envelops the skin with intense hydration, promoting a visibly plump, more refined appearance. Skin is left feeling smooth and supple, adorned with a lustrous glow.