DHC Eyelash Tonic is a conditioning eyelash gel that strenghtens eyelashes and helps prevent breakage with this contioning gel made with ginseng, comfrey, aloe and Swertia japonica.This treatment helps lashes become stronger and stay intact while allowing new growth. Wear this colorless lash serum under mascara during the day or alone for overnight conditioning. Ideal for brittle lashes or post-extension care.