Brittle hair, be gone! The best protein treatments deserve a permanent spot in your routine—especially if your strands are feeling limp, brittle, or dull. No, these powerhouse formulas aren’t your ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." We all know the importance of eating protein to keep our bodies strong. But just as protein is the ...

Hair damage affects millions of people worldwide, leaving strands brittle, lifeless, and prone to breakage. Years of heat styling, chemical processing, environmental exposure, and mechanical stress ...

If you read this headline and thought, Huh? You can overrepair your hair?, the answer is yes. It’s a thing. For years, the advice for damaged hair has been straightforward: Add protein. Treatments ...

If you’ve been slathering on protein treatments to strengthen your strands but suddenly find your hair feeling dry and brittle, you might be dealing with protein overload. Protein overload is caused ...

That frustrating cycle of trying every trendy hair mask and miracle conditioner might continue endlessly if you’re missing a fundamental element in your hair care routine. While moisture gets most of ...

When our hair is in desperate need of some TLC, our natural instinct is to reach for the deepest and most nourishing protein treatment to soak our strands in, say a quick prayer to the beauty gods, ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Social media is debating whether “protein overload” is ...

All products featured on Allure are independently selected by Allure editors. However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. Photo: Annie ...