maybecorrect·3 年前·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·3 年前·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.