Assertion: lemon peel's vitamin c | /r/CapableOf | help stimulate collagen production
Facets:
Source sentences:
text: The vitamin C in lemon peels also helps stimulate collagen production, while lemon oil has astringent properties to help fade scars (3).
text: Vitamin C helps stimulate the production of collagen, which can, in turn, help in firming the skin (4).