I think that happens because talc deposits often contain asbestos so it's not an uncommon contaminate. that doesn't mean talc products always contain asbestos

I think that happens because talc deposits often contain asbestos so it's not an uncommon contaminate. that doesn't mean talc products always contain asbestos https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7691901/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7691901/