Titanium dioxide is a multi-functional ingredient that has earned a reputation as the "gold standard" in products ranging from sunscreens to foundations.
Titanium dioxide in skin care is valued for its effective sun protection and its ability to even out skin tone. However, the long-term safety of titanium dioxide (especially in nanoparticle form) is still being actively studied.
Titanium dioxide is used as a mineral UV filter. In particular, titanium dioxide on skin works as a physical barrier that reflects and scatters UV rays, protecting skin from both UVB and UVA radiation. It's effective and carries a low risk of irritation, which makes it a popular choice in sunscreens for sensitive skin.
As a white powder, it also serves as a high-quality white pigment (listed as CI 77891 in ingredient lists). It's added to foundations, powders, lipsticks, and even toothpaste to give them opacity, brightness, and rich color.
Any skin type.
Titanium dioxide is generally considered a safe ingredient. However, nanoparticles, if inhaled, can penetrate deep into the lungs and cause inflammation.
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