Neutrogena Hydro Boost Hyaluronic Acid Serum delivers lightweight, deep hydration to face and neck, instantly reviving dry, thirsty skin. Formulated with purified hyaluronic acid, trehalose, and glycerin, this fragrance-free serum delivers deep within skin’s surface to restore moisture and suppleness. Non-comedogenic and hypoallergenic, it’s suitable for all skin types, including sensitive skin. Perfect for layering under your favorite moisturizer, this serum absorbs quickly without leaving residue. Incorporate 4–5 drops into your morning and evening skincare routine to achieve soft, smooth, radiant skin. Elevate your hydration routine with this daily hyaluronic acid serum for a refreshed, youthful complexion.