We've heard about the benefits of collagen for your Skin&Within beauty routine but there's a new kid on the block in the beauty and wellness space - Keratin. Keratin, specifically Functional Keratin®, and collagen are both proteins, but they play roles in different parts of your body. Both are fantastic ingredients to add to your beauty toolkit, so we've put together a quick guide of the beautifying benefits and key differences between Collagen and Keratin.