Read about this in Sin Chew Jit Po and it stated that particles in the powder when applied to the genitals can travel to the ovaries and trigger a process of inflammation that allows cancer cells to flourish. Talcum powder is made from a soft mineral called hydrous magnesium silicate, which is crushed, dried and milled to produce powder which is in cosmetic products used by millions.
I was reading Mandarin news and I got above translation here :
I found the explanation for the talc, for those who wants to know more about talc :
Here are the photos i took from my newspaper : (sorry for bad quality )