Sunscreens and cosmetics containing titanium dioxide are generally considered safe since they are mineral-based products. Mineral products are often recommended for acne-prone and sensitive skin. However, there have been some concerns that titanium dioxide may have a negative impact on health.

Research has shown that, when ingested as a food additive, titanium dioxide and its nanoparticles can impact, alter, and/or damage important protective bacteria in the gut, along with the metabolic pathways of gut bacteria.

4. Paper and Textiles

Conclusion

Potential hazards of oral exposure to TiO₂ NPs 

With its storied history and distinct properties, lithopone remains a subject of historical significance and contemporary relevance. While its applications and popularity have evolved, its role in the annals of pigment history is indisputable.

Other experts say there is simply no conclusive evidence at this point that titanium dioxide is damaging to humans after ingesting. Kaminski in particular said the research studies cite health hazards that were found by using high doses of the product, which you would not normally see in food.

The whole scientific experimental design in some of these studies is‌ very flawed, Kaminski said.