Collagen haircare: The 4 best products and how you can get longer, healthier and shinier strands

Studies show collagen strengthens the dermal layer beneath the scalp's surface (the foundation where hair follicles are ...
Everyday Health on MSN

Here's What to Know About Protein for Hair Growth

Learn about the role of protein in hair health. Find out how much you need to prevent hair loss and which foods could promote growth.