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Fragrance ingredient

TOLUALDEHYDE ISOMERS

CAS 1334-78-7
55

Safety score · 0–100

Moderate

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

Tolualdehyde isomers are aromatic aldehydes with cherry-almond scent used in fragrance compositions. IFRA-restricted due to skin sensitization potential and oxidation to irritating byproducts.

Skin benefits

  • Provides cherry-almond fragrance character
  • Used in trace amounts as a perfume component

Known concerns

  • Tolualdehydes are skin sensitizers and irritants
  • Restricted use under IFRA standards
  • Inhalation toxicity from vapor concentrations
  • Can oxidize to corrosive carboxylic acids
  • Allergen potential warrants labeling consideration

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.