Are your eyelashes short, stumpy, or prone to breaking? Have you been considering a growth serum; but you are nervous about the potential side-effects? If all the answers are “yes”; then lengthen your lashes with a DIY growth serum definitely the best solution. Biotin is a supplement which can help with the eyelash growth. It is also known as Vitamin B7. And certainly; you can easily learn to make DIY eyelash serum with biotin with this article.