Both protein and moisture play specific roles in the hair strand. The former gives it strength and volume, whereas the latter ...

Sounds pretty perfect, right? The most common proteins you’ll find in hair products are “hydrolyzed wheat protein, keratin, and hydrolyzed keratin protein,” says Dr Ali Syed, founder of ...

Hydrolyzed Wheat Protein: This ingredient rebuilds strength in the hair "by binding to natural proteins. It fills in weak spots and gaps in the cuticle and can improve moisture retention, add ...

Fact checked by Sarah Scott Switching to a gluten-free shampoo and other hair care products is not strictly necessary since ...