Suitable for all skin types, the Eucerin Hyaluron-Filler Concentrate is an ultra-hydrating formula that works to smooth & brighten the appearance of skin. Powered by a blend of glycine saponin & hyaluronic acid, the serum helps to diminish the appearance of fine lines, its gentle, lightly fragranced texture layering seamlessly beneath makeup. Use in synergy with the Hyaluron-Filler day & night creams for optimal results.