Lash Treatment Serum has been made with lash artists and clients in mind. Clinically tested with proven results. Use this wonder serum twice a day for 6 weeks and be blown away by the results. Our Lash Treatment Serum is perfect for those that want stronger and fuller lashes. 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