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Skin Conditioning

DIHYDROXYACETONE

CAS 96-26-4
60

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

DHA — the active ingredient in self-tanners. Safe topically at EU-regulated levels (up to 10%), but should not be inhaled, ingested, or used near eyes/mouth. The resulting tan does not protect against UV.

Skin benefits

  • Sunless tanning without UV exposure
  • Effective for vitiligo camouflage
  • Compatible with most skincare actives

Known concerns

  • Inhalation hazard — avoid spray booths or wear mask
  • Generates reactive oxygen species during tanning
  • EU Regulation 1223/2009 Annex III restrictions apply
  • Tan is not UV-protective

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.