Assertion: brush | /r/MadeOf | animal hair
Facets:
Source sentences:
text: Brands can be listed as cruelty-free in that they don’t test on animals, but unless they are vegan they can still carry products with animal ingredients, including brushes made with animal hair.
text: Plus, brushes made with animal hair can be an allergen trigger, and since they're porous, they can only be used with powder products, says Beauty Lab senior chemist, Sabina Wizemann.