All products featured on Glamour are independently selected by Glamour editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. If you have flat, ...

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 ...

We may earn commission from links on this page, but we only recommend products we love. Promise. ️ FYI: We updated this article in May of 2023 to give you the most up-to-date info on volumizing hair ...