This article was reviewed by Knox Beasley, MD. Let’s be honest, flat hair isn’t exactly the look most guys are going for. If your once-thick mane is starting to look a little… deflated, you might be ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? Let's face it, we've all had a bad hair day (or several) involving sad, limp ...