What's Up With Protein In Hair Care? Is It A Gimmick Or Actually Legit?

Mrs_2015/RooM/Getty ImagesIs anyone else’s social media serving them videos of people talking about how much protein their hair needs? Maybe it’s just me because I have curly hair and am constantly looking up new products to find reviews, but I get the sense that hair care involving protein is becoming more mainstream. So, what are protein hair products, and how can you tell if your hair needs protein? What does it need it for anyway? We asked a professional product formulator for the DL. It’s a little complex, but here’s what we learned.What are protein hair products?If your algorithm isn’t p