Latisse is a prescription lash-growth ... it makes sense that you'd be able to use it to grow your eyebrows too. That said, Dr. King offers a caveat: "A lot of the buzz around castor oil and ...

In other words, figuring out how to grow thicker eyebrows requires strategy and know-how. Before getting into that, though, we need to explore a couple of reasons why eyebrows thin in the first place.