Titanium Dioxide is a mineral UV filter and white pigment.
In sunscreens it provides strong UVB and UVA2 protection and some UVA coverage, while also contributing opacity. It is less complete for long UVA1 than zinc oxide, so broad-spectrum products often combine it with other filters.
Information approach
Consumer-friendly summaries are informed by established cosmetic ingredient references such as INCIDecoder and Paula’s Choice Ingredient Dictionary, while avoiding turning ingredient-level evidence into medical claims about the finished product.
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