Sunburns are associated with increased risk for melanoma, which is the deadliest form of skin cancer. When used as a colorant in cosmetic products in the European Union, this ingredient must be called CI 77891. It helps to increase the opaqueness, and reduce the transparency of product formulas. Overall, titanium dioxide in skin creams has a positive effect on the upper dermis of the skin with few negative health effects 4. Titanium dioxide has been used in various industrial and cosmetic applications due to its unique elemental properties. It scatters and reflects UVA and UVB rays, making it a good skin protector. In case you’re wondering, you can find my fave sunscreens with titanium dioxide here. It is this fine material, sometimes called microfine or nanoscale titanium dioxide that is used in many OTC sunscreen products. This undesirable visual effect has been addressed by decreasing the particle size of these metal oxides to nanoparticle (NP) form (see Section 2). For example, it may be used as a colorant in food contact packaging materials. FDA includes titanium dioxide on its list of indirect food additives. Safety Measures/Side Effects: The working group stated that there is inadequate evidence in humans for the carcinogenicity (i.e., cancer causing potential) of titanium dioxide, but sufficient evidence for its carcinogenicity when inhaled at very high concentrations by experimental animals. Titanium dioxide is safely used in many products from paint and food to drugs and cosmetics. Titanium Dioxide is used as an opacifying agent and a colorant. Most soaps are a creamy off-white color naturally, so if a soapmaker wants a pure white, tiny amounts of TD can be added. Titanium dioxide is the oxide of titanium, which means there is oxygen as well as the element of titanium. As one of the whitest, most opaque natural materials on earth, Titanium Dioxide is able to provide excellent coverage where and when you need it. Case in point: concealers. Description: Titanium Dioxide is used as a thickening, whitening, lubricating, and sunscreen ingredient in cosmetics. Gamer AO, Leibold E, et al (2006). Extensive scientific data demonstrates that nanoscale titanium dioxide does not penetrate the skin. See that long list of ingredients on the back of the bottle? Titanium dioxide’s tiny particles are somewhat similar to asbestos and are hard to get rid of if ingested into the body. However, when exposed directly to cell cultures, the researchers found significant cell-type dependent effects on cellular functions such as viability; proliferation; apoptosis, or cell death; and differentiation. Inert earth mineral used as a thickening, whitening, lubricating, and sunscreen ingredient in cosmetics. Titanium Dioxide uses are numerous. Unlike ingredients in some chemical sunscreens, titanium dioxide is a naturally occurring mineral that forms a protective barrier on your skin, without actually being absorbed into your skin. She holds a Bachelor of Arts in photojournalism from California State University at Hayward and a personal trainer certification from the university's Health and Fitness Institute. Use of this ultrafine material enables the sunscreens to be applied as a clear film that consumers prefer over the antiquated, white opaque lotions. Canadian Centre for Occupational Health and Safety researchers tested five volunteers with an application of 0.1mg of titanium dioxide powder once daily for three days 5. The researchers concluded that titanium dioxide is well-tolerated and at most a mild irritant to some. Titanium dioxide is one of the cosmetic industry’s best-kept secrets – playing a central role in the development of products for sensitive skin. Practicing sun safety, including proper sunscreen use, is important in helping to reduce the incidence of skin cancer. 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