Our Eyelashe Essence Contains Sodium Chloride, Benzalkonium Chloride and Citric Acid. It Can Penetrate into Hair Follicles, Stimulate Eyelash Growth, and Make Eyelashes Longer, Fuller and Thicker. Give Lashes Luster to Make Them Look Luxuriant, Long, Thick and Beautiful. Its Use Method Is Very Simple: Thoroughly Remove Makeup, Clean the Face, Apply Lotion, Keep the Root of Eyelashes Dry, Take out Bruch Head (Keep Bruch Head Moist), Brush the Root of Eyelashes Evenly, keep Your Eyes Looking down Naturally for 5-10 Minutes (Avoid Sticking Your Eyelids Or Penetrating Your Eyes), Make up Normally after 15 Minutes, and Do Not Touch Any Moisture Within an Hour, Including Lotion. Deeply Nourish Eyelashes, Supplement Root Cell Nutrition and Promote Eyelash Growth; Produce Charming, Thick, Healthy and Shiny Feather Fan-Shaped Eyelashes.