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titanium dioxide

Titanium dioxide is an FDA approved physical sunscreen ingredient. It remains on the skin surface, scatters UV light, and is often used in conjunction with other sunscreen chemicals to boost  SPF values, thus enhancing overall product attractiveness. The finer the particle size of titanium dioxide, the less obtrusive and whitish the product will appear. Many authorities believe that titanium dioxide in an ideal UVA/UVB protection component given its chemical, cosmetic, and physical characteristics. Titanium dioxide also serves as a white pigment and opacifier in skin care products and cosmetics.