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Fragrance

HYDROXYISOHEXYL 3-CYCLOHEXENE CARBOXALDEHYDE

CAS 31906-04-4 / 51414-25-6
18

Safety score · 0–100

Avoid

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

Better known as Lyral, a synthetic floral fragrance ingredient. EU banned it from cosmetics in 2021 because it causes contact allergy in many users. Avoid.

Function

FRAGRANCEPERFUMING

Skin benefits

  • Long-lasting floral fragrance note
  • Lily-of-the-valley scent in fine fragrance

Known concerns

  • EU banned in cosmetics from August 2021 (Lyral)
  • Established skin sensitizer
  • SCCS classified as strong allergen
  • Listed Annex II prohibited substance

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.