Skip to content

Preservative

4-Hydroxybenzoic acid and its Methyl- and Ethyl-esters, and their salts

CAS 99-96-7 /99-76-3 /36457-19-9 /16782-08-4 /5026-62-0 /35285-68-8 /120-47-8 /114-63-6 /26112-0-2 /69959-44-0 Updated
60

Safety score · 0–100

Fine

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

About

Methyl- and ethyl-paraben preservatives plus their salts. Effective broad-spectrum preservation at low percentages — but EU restricts concentration and bans related propyl/butyl forms in children's leave-on products.

Function

PRESERVATIVE

Skin benefits

  • Broad-spectrum preservation
  • Effective at low concentrations
  • Established class

Known concerns

  • Weak estrogenic activity at high exposure
  • EU concentration limits via Annex V
  • Contact sensitization in atopic individuals

References

EU

EU CosIng database

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

Related preservatives

60
MYRTRIMONIUM BROMIDE
Preservative
 60
SODIUM ETHYLPARABEN
Preservative
 60
SODIUM UNDECYLENATE
Preservative
 62
1,2-HEPTANEDIOL
Preservative
 62
CALCIUM SALICYLATE
Preservative
 62
CHLORHEXIDINE DIGLUCONATE
Preservative
 58
MEA-SALICYLATE
Preservative
 58
MEA-UNDECYLENATE
Preservative

Check your shelf

Find 4-Hydroxybenzoic acid and its Methyl- and Ethyl-esters, and their salts in your products.

Scan any cosmetic product with LuxSense to see if it contains 4-Hydroxybenzoic acid and its Methyl- and Ethyl-esters, and their salts 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 — always read the physical product label and consult a healthcare professional for personal concerns.