👉 A "bristle" is a type of hair structure that forms on the surface of the scalp, especially in areas where there are frequent contact with hair products or other substances. The term "bristles" refers to these strands, which can be either natural or synthetic and can vary in size, shape, and texture. In terms of the definition you provided, a bristle is simply a hair structure that forms on the surface of the scalp. It's usually associated with the scalp because it's
