25+ Nature Made Collagen US. As the main component of connective tissue. Types i and iii collagen make up more than 90% of your hair, skin, and nails.
Collagen is becoming more and more popular these days, it's the protein that gives our skin its elasticity.
†these statements have not been evaluated by the fda. Topical creams with collagen are unlikely to work, as the molecules are too big to pass through. Here's a guide to the types of collagen, and how to use it every day. Collagen (/ˈkɒlədʒɪn/) is the main structural protein in the extracellular matrix found in the body's various connective tissues.