Skip to content

Preservative

7-ETHYLBICYCLOOXAZOLIDINE

CAS 7747-35-5
22

Safety score · 0–100

Caution

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

An oxazolidine-based preservative that slowly releases formaldehyde to kill microbes. A known skin sensitiser — generally avoided in leave-on cosmetics.

Skin benefits

  • Broad-spectrum antimicrobial preservative
  • Effective against gram-negative bacteria

Known concerns

  • Formaldehyde-releasing preservative
  • Skin sensitiser in published patch-test data
  • Restricted to rinse-off in many formulations
  • EU SCCS scrutiny for formaldehyde donors

References

EU

EU CosIng database

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

Related preservatives

22
BENZISOTHIAZOLINONE
Preservative
 22
BIS-BROMOACETYLAMINOETHYL GLYCOL
Preservative
 22
DMHF
Preservative
 22
MEA O-PHENYLPHENATE
Preservative
 22
METHYLCHLOROISOTHIAZOLINONE
Preservative
 22
METHYLISOTHIAZOLINONE
Preservative
 22
PEG-5 DEDM HYDANTOIN
Preservative
 22
SODIUM CHLORITE
Preservative

Check your shelf

Find 7-ETHYLBICYCLOOXAZOLIDINE in your products.

Scan any cosmetic product with LuxSense to see if it contains 7-ETHYLBICYCLOOXAZOLIDINE and get a full ingredient breakdown with safety scores.

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.