Long eyelashes and bushy brows are all the rage right now. People have been investing in eyelash extensions, falsies, and even splurging on expensive products to perfect their lash and brow game. But did you know that you can also promote lash and brow growth with the help of serums? In this article, we discuss a few of the best top lash and brow growth serums that will help you achieve just that. Latisse  If you’re looking for a good lash and brow growth serum, you may want to check out Latisse. It is the only FDA-approved eyelash serum that is available in prescription strength. The serum is formulated with bimatoprost, an active ingredient that helps stimulate growth in the eyelashes in four to six weeks. It’s a super-powerful product; however, if overused or misused, it can lead to irritation in the eye and even potentially cause eye-color change. It costs around $100 and is available on a precipitation basis on certain online stores. GrandeLash MD  When it comes to over-the-counter top last and brow growth serums, GrandeLash MD is one of the best. The $65 serum promotes natural lash growth and works to help achieve those thick lashes. Aside from promoting new and thick growth, GrandeLash MD also helps strengthen the already present eyelashes and hydrates them.