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Below 10% substitution, 1 kg of TiO2 should be replaced by 1 kg of Lithopone 30%.  

TiO2 powder is also widely used in the cosmetics industry, where it is used as a whitening agent in skincare products, sunscreen, and makeup. TiO2 powder suppliers work closely with cosmetic manufacturers to ensure that they have a reliable and high-quality supply of TiO2 powder to meet the demands of their consumers.

Then, there’s ultrafine-grade, also known as nanoscale titanium dioxide. This is used for its ability to scatter lightly as an ultra-fine powder. This gives it the ability to lightly absorb into the skin while providing a bit of transparency. Below, we’ll go more into the cosmetic uses of these two forms of titanium dioxide.

But before titanium dioxide is made into sunscreens, it is first micronized. This is a process that takes ingredients that are normally quite heavy (like titanium dioxide) and makes them both stabler and easier to spread. And when micronized, titanium dioxide doesn’t penetrate the skin. That means that you’re getting all the sun protection benefits without the risk of harming yourself.

Three aspects determine the performance of titanium dioxide as pigment and UV absorber.

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For years scientists have raised concerns about the potential toxicity of titanium dioxide. 

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Titanium dioxide (TiO₂) is commonly applied to enhance the white colour and brightness of food products. TiO₂ is also used as white pigment in other products such as toothpaste. A small fraction of the pigment is known to be present as nanoparticles (NPs). Recent studies with TiO₂ NPs indicate that these particles can have toxic effects. In this paper, we aimed to estimate the oral intake of TiO₂ and its NPs from food, food supplements and toothpaste in the Dutch population aged 2 to over 70 years by combining data on food consumption and supplement intake with concentrations of Ti and TiO₂ NPs in food products and supplements. For children aged 2-6 years, additional intake via ingestion of toothpaste was estimated. The mean long-term intake to TiO₂ ranges from 0.06 mg/kg bw/day in elderly (70+), 0.17 mg/kg bw/day for 7-69-year-old people, to 0.67 mg/kg bw/day in children (2-6 year old). The estimated mean intake of TiO₂ NPs ranges from 0.19 μg/kg bw/day in elderly, 0.55 μg/kg bw/day for 7-69-year-old people, to 2.16 μg/kg bw/day in young children. Ninety-fifth percentile (P95) values are 0.74, 1.61 and 4.16 μg/kg bw/day, respectively. The products contributing most to the TiO₂ intake are toothpaste (in young children only), candy, coffee creamer, fine bakery wares and sauces. In a separate publication, the results are used to evaluate whether the presence of TiO₂ NPs in these products can pose a human health risk.

Titanium dioxide is a mineral that’s used as a white coloring in a variety of products, including sunscreens, cosmetics, paints, and plastics. The pigment grade is also known as titanium white, pigment white 6, or CI 77891; it's the whitest and brightest of all known pigments.

All About Titanium Dioxide Pigment

For that reason, the Center for Science in the Public Interest has graded titanium dioxide as a food additive that consumers should seek to “avoid.” Scientists at the nonprofit nutrition and food safety watchdog group today published a new entry for titanium dioxide in its Chemical Cuisine database of food additives.