Assertion: collagen | /r/AtLocation | dermi
Facets:
Source sentences:
text: Collagen makes up a whopping 70% of our skin, and it can be found in the dermis.
text: It can be found in the dermis, which is the middle layer of human skin where you can also find hair follicles!
text: Collagen and Your Skin Collagen is found in the dermis and is the most abundant protein in the skin, making up 75% of this organ.