Assertion: scalp | /r/MadeOf | sebaceous glands
Facets:
Source sentences:
text: The scalp contains sebaceous glands which secrete sebum to keep the scalp hydrated.
text: Your scalp also contains many sebaceous glands, which produce oil, or sebum, that protects hair [source:
text: Our scalp contains sebaceous glands which produce oil to maintain the scalp moisturized.