Why? Talc has many applications [1], cosmetics obviously have a distinct set of requirements vs. food vs. internal use vs. industrial applications, etcetera.

Why? Talc has many applications [1], cosmetics obviously have a distinct set of requirements vs. food vs. internal use vs. industrial applications, etcetera. [1] https://en.wikipedia.org/wiki/Talc#Uses https://en.wikipedia.org/wiki/Talc#Uses