Eucerin Hyaluron-Filler Moisture Booster Night is an ultra-light, refreshing gel that actively regenerates skin overnight while targeting fine lines and first wrinkles. Eucerin Hyaluron-Filler Moisture Booster Night is an ultra-light, refreshing gel that actively regenerates skin overnight while targeting fine lines and first wrinkles. The formula combines two highly concentrated types of Hyaluronic Acid with Glycerin to help plump up skin. This provides intensive moisture with 3x Effect. 1 Fill 2 Hydrate 3 Refresh Suitable for all skin types, the Eucerin Hyaluron-Filler Moisture Booster Night is clinically and dermatologically proven to deliver excellent results.