Assertion: dandruff's scalp | /r/CapableOf | produce much oil
Facets:
Source sentences:
text: Dr. Terrence Keaney, a dermatologist and men's skincare expert based in Arlington, Virginia, explains that because the scalp produces so much oil, it can overgrow and the yeast that lives on it produces the flakes.
text: For example, if it is hot outside and your scalp has produced too much oil then you would suddenly go inside an air-conditioned room and let your scalp dry out, this can make your scalp dry.