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Fragrance

FORMALDEHYDE CYCLODECYL METHYL ACETAL

CAS 42604-12-6 Updated
35

Safety score · 0–100

Caution

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

About

A formaldehyde-acetal fragrance ingredient with woody-amber note. Like all formaldehyde-releasing acetals, it is regulated and best avoided in leave-on products.

Function

PERFUMING

Skin benefits

  • Provides ambery-woody fragrance note
  • Used at very low cosmetic levels
  • Common in fine fragrance

Known concerns

  • Releases formaldehyde on hydrolysis — IARC Group 1
  • Possible skin sensitization
  • Restricted in EU formaldehyde-releasing classification
  • Limited cosmetic-specific safety review

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.