REVUELE Castor Oil Volumizing Eyelash Booster is a natural serum for gorgeous and fluttery lashes. The fortifying powers of Castor Oil work for stronger, fuller, and healthier lashes. The booster has 3in1 Lash-caring complex that extends, nourishes, and helps prevent the eyelashes from falling out. Benefits: Gives Naturally beautiful lashes Extends and strengthens your eye lashes Nourishes and regenerates your lashes Help prevent eyelash loss