Mineral sunscreen Explained
Physical sunscreen · Zinc oxide · Titanium dioxide
Zinc oxide and titanium dioxide are gentle mineral sunscreens that protect against UVA and UVB and are the top choice for sensitive skin and pregnancy.
Label names (INCI): Zinc Oxide, Zinc Oxide (nano), Titanium Dioxide, Titanium Dioxide (nano), CI 77947, CI 77891
Written by the Oliareen editorial teamDermatologist review: pendingHow we write
What it does
Sit on the skin and absorb UVA and UVB; zinc oxide covers long UVA best; photostable and almost never irritating.
Often discussed for
This doesn't mean everyone with these needs it.
Skin types
How to approach it
If you're new to it
Start one new product at a time and patch test first: a little on the side of the jaw for a few days. Keep the rest of the routine simple.
General education, not a diagnosis or treatment plan.
Works well with
Examples of common pairings, not guaranteed combinations.
Use carefully with
Stacking several actives raises the risk of irritation. If you're on any prescribed medicine, ask your doctor before adding an active.
- White cast on deeper tones — choose tinted
- Avoid nano sprays/powders (inhalation)
- Preferred in pregnancy
Possible reactions
Stop if burning doesn't settle, or if you get a red rash, itching, swelling or peeling. Swelling of the face, lips or eyes, or trouble breathing, needs urgent medical care.
When to see a doctorEvidence and timing
- Evidence
- Evidence: strong
- Time to see a change (weeks)
- 0 (apply 2 mg/cm2, reapply every 2 h outdoors)
Evidence comes from studies of specific formulas and strengths. Your product may behave differently.