Yes, titanium and aluminum were commonly used in skincare products like sunscreen and deodorant and even in toothpaste (and still are in the US), but should be avoided. That's part of why I use zinc oxide and not titanium oxide. Zinc oxide is not a carcinogen.
I hope you didn't type that comment using a cell phone, because IARC also suspects that to be carcinogenic.
Yes, titanium and aluminum were commonly used in skincare products like sunscreen and deodorant and even in toothpaste (and still are in the US), but should be avoided. That's part of why I use zinc oxide and not titanium oxide. Zinc oxide is not a carcinogen.