The Lab
Specimen No. 0009
ClearedMineralsunscreen

Zinc Oxide

CAS 1314-13-2 · ZnO · zinc oxide · zno · zinc(ii) oxide

Broad-spectrum mineral SPF that sits on top of skin. Reef-safe, non-irritating, non-hormonal, and FDA-recognized as GRASE.

high confidence
Researched April 18, 2026

Concerns

  • May leave a white cast on deeper skin tones
  • Nanoparticle form under ongoing study — standard non-nano forms preferred

Sourcing & processing

mineral based

Regulatory flags

  • Nanoparticle form: some inhalation concerns — avoid spray/powder formulations

Commonly found in

Mineral sunscreenDiaper rash creamsAnti-itch productsWound care

Research disclaimer: This rating is based on available peer-reviewed research and regulatory assessments at the time of publication. It is not medical advice. Consult a qualified professional for personal health or skin concerns.

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