What Do You Know About Collagen?

I heard that women talked a lot about Collagen. But what do you know about Collagen? Collagen is the main protein of connective tissue in animals and the most abundant protein in mammals,[1] making up about 25% to 35% of the whole-body protein content. It is naturally found exclusively in metazoa, including sponges.

Nowadays, many skin products that have collagen inside are being offered to the customers. Of course, the buyers are the one that really care about the health of their skin, especially their skin face. That's why many women like to talk about it and use it as their skin face product.