Most of the eyelash growth solutions are prostaglandin derivatives, which were originally used as glaucoma treatment drugs, but in clinical applications it was found to have the effect of promoting eyelash growth for some people. Whether it works or not has not been confirmed by clinical trials, product sales promotion and some users’ experience think it works, but not everyone can get obvious results after using it, and it has a certain relationship with the quality of its products and personal constitution. Some products may promote eyelash growth for some people, and the effect can only be observed after a period of consistent use. Those who believe that eyelash growth solution is effective believe that applying a small amount of eyelash growth solution to the root of the eyelashes can provide local hair follicles with vitamins and other essential nutrients to promote hair follicle development, thus helping to make eyelashes grow faster and longer, but its effectiveness has not been confirmed by clinical studies. It is also possible that some eyelash growth solutions can make the eyelashes look longer after application, but the actual length of the eyelashes does not change. The length, thickness and thinness of eyelashes are also influenced by genetic factors, and the extent to which they can be promoted is limited. Strengthening the nutritional supplement of the whole body will help the growth and development of the organism, which will also contribute to the healthy growth of eyelashes. Vitamin E can also be used to properly coat the eyelashes, which is beneficial to eyelash growth. In addition, each person has their own characteristics and there is no need to deliberately pursue thick and long eyelashes.