Sure, you can use coconut oil to help the growth of your eyelashes. To some extent, coconut oil is helpful because there are natural essence inside. In addition, it contains vitamin E which is the key elements for eyelashes grow. Eyelashes is a kind of the hairs of human body, they can get longer when they intake more nutritions, especially of the vitamin E. Puting coconut oil on your hands after totally washing them, then paste the liquid on your eyelashes every morning and every night before sleep and massage with your fingers. If you can keep this as a habit for a period of a few weeks, you will obviously see the changes.