maybecorrect·قبل 3 سنوات·discussCorrecting myself, I was thinking of Zinc Oxide. But it's still pretty inert. I wouldn't want a plate of it, but whatever level of toxicity it possesses, it is low enough that it requires careful study to detect.
maybecorrect·قبل 3 سنوات·discussI'm pretty sure titanium dioxide is pretty inert. It's a primary ingredient in sunscreen and diaper cream.Otherwise, I agree with your point.