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Titanium Dioxide

Sun ProtectionNatural

Also known as: TiO2, CI 77891

A mineral UV filter that provides broad-spectrum protection by reflecting and scattering UV rays. One of two FDA-approved mineral sunscreen actives.

Benefits

Broad-spectrum UV protection (primarily UVB and short UVA), physical sunblock, gentle on sensitive skin, reef-safe.

How to Use

Apply generously as part of sunscreen. Reapply every 2 hours. Works immediately upon application (no wait time).

Technical Details
Typical Concentrations2%-25%
Research Summary

FDA Category I (safe and effective). Provides primarily UVB protection. Non-nano form considered reef-safe. No evidence of systemic absorption through intact skin.

Cautions

Can leave a white cast, especially on darker skin tones. Nano-sized particles reduce white cast but raise some inhalation concerns in spray formulations.

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Titanium Dioxide — Skincare Ingredient | Skinularity