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Yes, titanium dioxide is generally considered safe in sunscreen. It is a naturally occurring mineral that works as a sunblock. It is effective at blocking harmful UVA and UVB radiation and is less likely to cause skin irritation compared to other chemical sunscreens. However, it is advised that you avoid sunscreens that contain nanoparticle-sized titanium dioxide, as these can penetrate the skin and enter the bloodstream, which may potentially pose health risks. Most sunscreen manufacturers have stopped using nanoparticle-sized titanium dioxide.
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