Clinically tested with proven results. Use this wonder serum twice a day for 6 weeks and be blown away by the results. Perfect for those that want stronger and fuller lashes. - Use twice daily for best results. - Oil-free: safe to use with contact lenses and lash extensions. Directions for use: - If wearing makeup, remove with an oil-free makeup remover or cleanser. - Apply only one stroke of the serum at the root of your upper lashes, twice a day. - Wait until the serum has fully dried if following with other products. - Allow the serum to work overnight