What research shows
The biggest prospective studies have found no link between talcum powder applied to the genitals and ovarian cancer. But about two dozen smaller, lookback studies over three decades have mostly found a modest connection — a 20 percent to 40 percent increased risk among talc users.
However, that doesn’t mean talc causes cancer. Several factors make that unlikely and there’s no proof talc, which doesn’t interact with chemicals or cells, can travel up the reproductive tract, enter the ovaries and then trigger