Ethoxylated surfactant
C12-15 PARETH-11
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
C12-15 Pareth-11 is an ethoxylated alcohol surfactant used to mix oils into water and to clean. It is generally well tolerated but, like other ethoxylates, can carry trace 1,4-dioxane unless suppliers strip it.
Function
Skin benefits
- Effective non-ionic surfactant and emulsifier
- Improves solubilization of oils in water-based formulas
- Stable across a wide pH range
- Cost-effective in mass-market personal care
Known concerns
- Ethoxylation process can introduce trace 1,4-dioxane (a possible carcinogen) if not purified
- Petroleum-derived feedstock
- May increase skin penetration of other ingredients
- Mild defatting potential at high levels
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related ethoxylated surfactants
Check your shelf
Find C12-15 PARETH-11 in your products.
Scan any cosmetic product with LuxSense to see if it contains C12-15 PARETH-11 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.