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2025-08-15 05:56
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TiO2 is also used in oral pharmaceutical formulations, and the Pharmaceutical Excipients handbook considers nano-sized TiO2 a non-irritant and non-toxic excipient. Despite the fact that TiO2 submicron- and nano-sized particles are widely used as food and pharmaceutical additives, information on their toxicity and distribution upon oral exposure is very limited.
We apply titanium dioxide to our skin through sunscreens, makeup, lip balms, nail polish, and other cosmetic products.
When E171 is part of a food product, it passes through the digestive system without causing harm because E171 combines with the other ingredients.
The applications in which it can be used are paints, inks, plastics, elastomers, paper, fillers, adhesives…