If you’re on the hunt for a shampoo that actually delivers on its promises, the Redken Extreme Length Biotin Shampoo deserves a serious look. I’ve been testing a lot of shampoos over the years — and ...

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 ...