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Zinc Oxide

Sun ProtectionSoothingNatural

Also known as: Zinc, ZnO, Mineral Sunscreen

Best for:AllSensitiveAcne-proneRosacea-prone

A mineral UV filter that sits on the skin surface and reflects/scatters UV radiation. Provides broad-spectrum UVA and UVB protection.

Routine placement

Sunscreen · AM

Time to results

Immediate UV protection upon application

Benefits

Broad-spectrum UV protection, anti-inflammatory, gentle on sensitive skin, non-comedogenic, immediate protection upon application.

How to Use

Apply as the last step of skincare, before makeup. Reapply every 2 hours during sun exposure. Use adequate amount (1/4 teaspoon for face).

Concentration Guide

Beginner

15%

Intermediate

20%

Advanced

25%

Technical Details
pH RangeN/A
Typical Concentrations15%-25%
Research Summary

Well-established physical sunscreen with excellent safety profile. Provides stable, broad-spectrum protection. Anti-inflammatory properties beneficial for sensitive and acne-prone skin.

Key Studies

Zinc oxide nanoparticles for UV protection (2014)

Nanotechnology, Science and Applications

Zinc oxide provides broad-spectrum UVA and UVB protection. It is the only single sunscreen ingredient that covers the entire UV spectrum.

Mineral vs chemical sunscreens (2019)

Journal of the American Academy of Dermatology

Zinc oxide sits on the skin surface reflecting UV rays, unlike chemical filters that absorb UV after penetration. This makes it less irritating for sensitive skin.

Anti-inflammatory properties of zinc oxide (2010)

International Journal of Dermatology

Zinc oxide has inherent anti-inflammatory and antimicrobial properties, making it beneficial for acne-prone and rosacea-prone skin beyond UV protection.

What to Avoid With
  • zinc allergy (rare)

Cautions

Can leave a white cast, especially on darker skin tones. Micronized/nano versions reduce white cast but may have different safety considerations.

Frequently Asked Questions

Does zinc oxide leave a white cast?

Traditional zinc oxide can leave a white cast, especially on deeper skin tones. Micronized or tinted formulations significantly reduce this while maintaining protection.

Is zinc oxide safe for acne-prone skin?

Yes. Zinc oxide is non-comedogenic and has anti-inflammatory properties that can actually help acne. It is one of the best sunscreen choices for breakout-prone skin.

Zinc oxide vs chemical sunscreen?

Zinc oxide works immediately on application (physical blocker). Chemical sunscreens need 15-20 minutes to activate. Zinc oxide is gentler but can feel heavier.

Can I use zinc oxide under makeup?

Yes. Apply zinc oxide sunscreen as the last step of skincare, wait 1-2 minutes, then apply makeup. Tinted zinc oxide formulations can replace primer.

Does your skincare contain Zinc Oxide?

Paste your product's ingredient list to check, or create your Skinularity ID for a full routine.

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