Assertion: collagen | /r/AtLocation | nail
Facets:
Source sentences:
text: Collagen is naturally abundant in the body, found mostly in skin, hair and nails.
text: It’s even found in our stomach lining, joints, hair, and nails.
text: It’s also found within our skin, hair and nails.
text: Collagen is naturally abundant in the body, found mostly in skin, hair and nails.