These types of sources will not ask survey questions specifically about talc-containing cosmetics. But they should have separate statistics on the beauty industry in general, from which you can glean information to apply to your brand.
U.S. business-to-consumer market research & psychographics
Statistics & studies gathered by market researchers, trade organizations, scientific publications, etc
Loads of useful demographic data, either on a national scale or hyper-local.
Many types of articles can be helpful to you to discover consumer trends and needs for your brands. Use filters within any of the tools below to limit to a certain type:
You will likely not find too many articles about talc-containing cosmetics -- it is too small. However, think about other search terms and concepts related to the brand and industry:
Communication, linguistics, rhetoric, media, & more
Global, national, & regional news
NYTimes.com, podcasts, newsletters, multimedia, and live events. Archived articles between 1851-present
Access the default edition of Wall Street Journal and WSJ.com articles.