Titanium Dioxide vs Zinc Oxide
Which is right for your skin?
The two mineral sunscreen filters: zinc oxide covers the broadest range, including deep UVA, and is the gentlest on reactive or rosacea-prone skin; titanium dioxide blocks UVB and short UVA especially well and feels lighter. Most mineral sunscreens combine both for full protection.
Another physical sunscreen that blocks UV. Often paired with zinc oxide for full sun protection.
A physical sunscreen that sits on top of your skin and blocks UV. Broad-spectrum and gentle enough for sensitive or rosacea-prone skin.
Can you use Titanium Dioxide and Zinc Oxide together?
We have no documented layering conflict between Titanium Dioxide and Zinc Oxide. Introduce one at a time and patch-test.
You want sun protection. Another physical sunscreen that blocks UV. Often paired with zinc oxide for full sun protection.
You want sun protection. A physical sunscreen that sits on top of your skin and blocks UV. Broad-spectrum and gentle enough for sensitive or rosacea-prone skin.
Cited research
Polena H et al., Comparison of Visible Light-Protective Tinted Sunscreen to Untinted Sunscreen to Protect Melasma Patients During Summer: A Prospective Randomized Investigator-Blinded Study, Journal of Cosmetic Dermatology 2025;24(10):e70450 — pigmentary titanium dioxide + iron oxide tinted sunscreen significantly improved pigmentation uniformity between melasma-affected and unaffected skin vs untinted (∆L*, ∆ITA°, ∆E significantly reduced; not in untinted group)
SCCS Scientific Advice on Titanium Dioxide (TiO2) (CAS/EC 13463-67-7/236-675-5, 1317-70-0/215-280-1, 1317-80-2/215-282-2), SCCS/1661/23
Ezekwe N et al., Evaluation of the protection of sunscreen products against long wavelength ultraviolet A1 and visible light-induced biological effects, Photodermatology, Photoimmunology & Photomedicine 2024;40(1):e12937 — the titanium dioxide 11% + iron oxide tinted product gave statistically significantly less erythema (IGA, Δoxyhemoglobin, Δa*) and less pigmentation at all time points vs unprotected irradiated skin
Dréno B et al., Safety of titanium dioxide nanoparticles in cosmetics, Journal of the European Academy of Dermatology and Venereology 2019;33(Suppl 7):34-46 — SCCS-aligned review: nano-TiO2 from sunscreens presents no health risk up to 25%; cautions on inhalable spray/powder formulations
Coelho SG et al., Repetitive Application of Sunscreen Containing Titanium Dioxide Nanoparticles on Human Skin, JAMA Dermatology 2016;152(4):470-472 — clinical safety study of repeated TiO2-nanoparticle sunscreen application
Moseley H et al., New sunscreens confer improved protection for photosensitive patients in the blue light region, British Journal of Dermatology 2001;145(5):789-94 — pigmentary TiO2 + zinc oxide sunscreens protect across visible/blue light
Kern C et al., Evaluation of an SPF50 Sunscreen Containing Photolyase and Antioxidants for its Anti-Photoaging Properties and Photoprotection, Journal of Drugs in Dermatology 2022;21(5):517-520 — 10.7% zinc oxide SPF50 mineral sunscreen improved photoaging signs over 12 weeks
Schneider SL, Lim HW. A review of inorganic UV filters zinc oxide and titanium dioxide. Photodermatol Photoimmunol Photomed. 2019;35(6):442-446. — Review confirms ZnO provides broad-spectrum UVA-UVB coverage; concludes zinc oxide sunscreens are safe with minimal percutaneous absorption risk.
CIR Safety Assessment of Zinc Salts as Used in Cosmetics (Scott et al.), final report 2018 / re-review 2024 (covers zinc oxide among 27 zinc ingredients)
Moseley H et al., New sunscreens confer improved protection for photosensitive patients in the blue light region, British Journal of Dermatology 2001;145(5):789-94 — zinc oxide + pigmentary TiO2 sunscreens delivered median PF 8 against 430 nm light
U.S. FDA. 21 CFR § 352.10 — Sunscreen active ingredients. Zinc oxide listed as a permitted OTC sunscreen active ingredient at concentrations up to 25 percent. Superseded by OTC Monograph M020 (Final Administrative Order OTC000006).
Every entry points to a specific paper or regulatory document. See methodology for what each outcome label means.