In cosmetic industry Talc is used in baby and body powders, facial products, anti-perspirant sticks and various types of creams and lotions. The quality of talc that can be used in cosmetic application has following characteristics 

Quartz Content (1% maximum, may be lowered to 0.1% maximum)
Tremolite Content (0.1 maximum)
Loss on Ignition (6.0% maximum at 1000 0 C)
Neutral pH.
Acid soluble substances (2% maximum)
Water soluble substances (1% maximum)
Arsenic Content (3ppm maximum)
Lead Content (20ppm maximum)
Odor, slip, lubricity, particle size, and whiteness according to costumer specification