Assertion: calcium oxide's magnesium oxide | /r/ObjectUse | used as opacifying agent
Facets:
value: in skin make-up
type: LOCATION
value: for hiding blemishes
type: PURPOSE
Source sentences:
text: Magnesium Oxide is also used as an ingredient to absorb or soak up liquids, and as an opacifying agent in skin make-up for hiding blemishes.