M2 Beauté Lashes Eyelash Activating Serum has the following features: An active complex that helps promote the natural growth of eyelashes, brings a longer growth phase and makes them fuller and stronger. Biotin (Vitamin B7) strengthens lashes and slows down the cycle of lash loss. Hyaluronic Acid hydrates lashes and makes them healthy. Prodew 300 helps absorb and bind moisture. Hydrolyzed Glycosaminoglycans (GAG) strengthen lashes by enhancing their elasticity and firmness. The first visible result will appear after 6 - 8 weeks.