Hydro Boost concentrated serum with hyaluronic acid from Neutrogena is a cosmetic that provides intense hydration and smoothing of the skin. The serum contains hyaluronic acid, an ingredient known for its ability to retain water in the skin, contributing to intense hydration. The consistency of the product is light and easily absorbed. The recipe contains the highest concentration of hyaluronic acid with natural trehalose and provitamin B5. Know the properties of the ingredients contained in the Neutrogena serum Trehalose has an antioxidant effect and prevents skin aging, improving skin tension and moisture levels. Hyaluronic acid improves the hydration of the epidermis. Provitamin B5 calms irritations and provides hydration.