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Banned Substance

trans-2-Hexenal dimethyl acetal, when used as a fragrance ingredient

CAS 18318-83-7 Updated
12

Safety score · 0–100

Avoid

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

About

trans-2-Hexenal dimethyl acetal is a fragrance ingredient banned from EU cosmetics due to sensitization risk. No legitimate skincare use.

Skin benefits

  • Not for cosmetic use

Known concerns

  • EU Annex II banned fragrance ingredient
  • Sensitization concerns
  • Hexenal-class reactivity

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 — always read the physical product label and consult a healthcare professional for personal concerns.