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Formaldehyde-releasing preservative

DECAHYDROCYCLODODECAOXAZOLE

CAS 38303-23-0
35

Safety score · 0–100

Caution

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

An oxazolidine-class preservative that can release formaldehyde over time. Such formaldehyde donors are restricted due to allergenic and respiratory irritation concerns.

Function

PERFUMING

Skin benefits

  • May provide antimicrobial preservation in select industrial formulations
  • Used historically as a formaldehyde-releaser type preservative

Known concerns

  • Oxazolidine preservatives are known formaldehyde releasers
  • Formaldehyde donors are classified contact allergens and respiratory irritants
  • Subject to increasing EU regulatory restriction and consumer disclosure rules
  • Limited transparent safety dossier for this specific oxazolidine

References

EU

EU CosIng database

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

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3-Ethyl-2-methyl-2-(3-methylbutyl)-1,3-oxazolidine
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Cis-1-(3-chloroallyl)-3,5,7- triaza-1-azoniaadamantane chloride (cis-CTAC)
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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.