Skip to content

Preservative

CAPRYLHYDROXAMIC ACID

CAS 7377-03-9
80

Safety score · 0–100

Good

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

A coconut-derived hydroxamic acid that chelates iron and boosts mild preservation. Skin-pH friendly and well tolerated; common in paraben-free, low-irritation formulas.

Function

CHELATING

Skin benefits

  • Mild preservative booster
  • Chelates iron — boosts other preservatives
  • Works at skin pH

Known concerns

  • Rare contact sensitization
  • Limited public toxicology dataset

References

EU

EU CosIng database

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

PC

PubChem

U.S. NIH compound data, GHS hazard codes and toxicity literature.

View →

Related preservatives

80
CALCIUM PROPIONATE
Preservative
 80
ETHYLHEXYLGLYCERIN
Preservative
 80
HEPTYLGLYCERIN
Preservative
 80
METHYLHEPTYLGLYCERIN
Preservative
 80
POLYEPSILON-LYSINE
Preservative
 78
1,2-HEXANEDIOL
Preservative
 78
AMMONIUM PROPIONATE
Preservative
 78
CALCIUM BENZOATE
Preservative

Check your shelf

Find CAPRYLHYDROXAMIC ACID in your products.

Scan any cosmetic product with LuxSense to see if it contains CAPRYLHYDROXAMIC ACID 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.