Skip to content

Skin Conditioning

10-HYDROXYSTEARIC ACID

CAS 638-26-6 Updated
84

Safety score · 0–100

Good

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

About

A plant-derived hydroxylated fatty acid (CAS 638-26-6) that conditions skin with a gentle keratolytic effect. Inherits the strong safety record of stearic-acid derivatives and is compliant with EU cosmetic regulations.

Function

SKIN CONDITIONINGSKIN PROTECTING

Skin benefits

  • Softens and smooths skin
  • Mild exfoliation
  • Improves lipid feel of formulas

Known concerns

  • May feel waxy on oily skin
  • Sparse cosmetic-specific clinical data

References

EU

EU CosIng database

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

Related skin conditionings

84
ACETYL DECAPEPTIDE-3
Skin Conditioning
 84
ACETYL HEPTAPEPTIDE-9
Skin Conditioning
 84
ACETYL HISTIDINE
Skin Conditioning
 84
ACETYL METHIONINE
Skin Conditioning
 84
ACETYL SH-PENTAPEPTIDE-35
Skin Conditioning
 84
ACETYLATED C10-40 HYDROXYALKYL ACID CHOLESTEROL/LANOSTEROL ESTERS
Skin Conditioning
 84
ALANINE/HISTIDINE/LYSINE POLYPEPTIDE COPPER HCL
Skin Conditioning
 84
ALOE ANDONGENSIS LEAF EXTRACT
Skin Conditioning

Check your shelf

Find 10-HYDROXYSTEARIC ACID in your products.

Scan any cosmetic product with LuxSense to see if it contains 10-HYDROXYSTEARIC 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 — always read the physical product label and consult a healthcare professional for personal concerns.