Surfactant
MYRETH-3 CARBOXYLIC ACID
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A myristyl alcohol-derived ether carboxylate with a short 3-mol ethoxylation — gentle cleansing surfactant. Less irritating than alkyl sulfates; only minor caveat is potential trace 1,4-dioxane unless properly purified.
Function
Skin benefits
- Mild cleansing surfactant suited to face washes
- Lower irritation than C12 sulfates
- Good biodegradability
Known concerns
- Trace 1,4-dioxane risk from ethoxylation unless purified
- May reduce skin barrier lipids with frequent use
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related surfactants
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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.