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CROTONALDEHYDE

CAS 123-73-9 / 4170-30-3
3

Safety score · 0–100

Avoid

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

A reactive aldehyde. Acutely toxic, corrosive, and genotoxic; prohibited in EU cosmetics under Annex II. Should never appear in finished personal-care products.

Function

ANTIOXIDANTFRAGRANCEPERFUMING

Skin benefits

  • None for cosmetic use

Known concerns

  • EU Annex II prohibited substance
  • Severe acute toxicity (H300/H311/H330)
  • Mutagen Cat 2 (H340)
  • Skin corrosive (H314)

References

EU

EU CosIng database

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

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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.