Assertion: hairbrush's bristle | /r/CapableOf | stimulate the scalp
Facets:
value: by increasing blood flow
type: MANNER
Source sentences:
text: Natural boar bristles also help massage the scalp, thus stimulating the scalp by increasing blood flow and gently exfoliating the scalp removing dead skin cells, so hair follicles don’t get clogged up, which can cause irritation and other problems.