The importance of brows: Brows are the single most important thing on a person’s face. Imagine a person without any eyebrows and you can conjure up all kinds things to think about. Even thin eyebrows can make a person look significantly older than they are. On men, especially, thin eyebrows can make you look dramatically older. And women, women look like a totally different person with a good set of brows. Don’t believe it, just take a look at some of our transformations below and see for yourself!