Lemon is widely grown all over the world. As we all known, lemon is sour, warm, light, good for vision, pungent and astringent. And lemon can be used in medicines and cosmetics. Well, the most two popular products of lemon are lemon oil and lemon juice. Lemon-juice has been proved that the bacteria of malaria, cholera, diphtheria, typhoid and other deadly diseases are destroyed in lemon-juice. Plus, lemon juice also contains some vitamin A and natural vitamin C. These sunstances and functions are good to help the growth of eyelashes. You can drink them, or rub them on the eyelids.