Why Collagen is important for skin

Collagen is the proteins that spread in your body, mainly can be found in bones and skin, cartilage, organs, and hair. There are many types of Collagen. Among them, I'll show the five common types: 

Type I: skin, tendon, vasculature, organs, bone (Usually, type 1 is related and effects to your skin)
Type II: cartilage
Type III: reticulate, commonly found alongside type I
Type IV: forms basal lamina, the epithelium-secreted layer of the basement membrane
Type V: cell surfaces, hair, and placenta


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