Strengthen eyelashes and help prevent breakage with this conditioning gel made with ginseng, comfrey, aloe and Swertia japonica. This targeted 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. How to Use Use as a mascara base in the morning and as a conditioner in the evening. Gently and evenly stroke a small amount of tonic onto lash roots and sweep outward towards tips.