A serum for smoothing out tired skin, reducing signs of wrinkles and counterbalancing the hyaluronic acid loss. This Booster Serum with Hyaluronic Acid has a 3D effect with 4 different molecular weights of hyaluronic acids to act on all layers of the skin. Perfect for all skin types except oily. 100% vegan and 100% natural formula. To use: Apply 2 to 6 drops daily to the face. Apply in the morning and/ or the evening. This Booster Serum can be applied alone without any other care, or before applying your face cream. Certified by ECOCERT.