murphyC9-11 Pareth-6
molecular structure · PubChem
AKA: Nonionic Surfactant
Synthetic
Cleanser
Emulsifier
Not Clean
Alcohols, C9-11, ethoxylated (6 mol EO average molar ratio)
CAS #
68439-46-3
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
2 studies / 2 not sensitizing (CIR 581)
Mixed Skin Irritation Results
4 studies / 2 irritating / 1 mixed / 1 not irritating / reactions slight to severe (CIR 581)
Concentration Guide
Leave-onNot reported
Rinse-off5%
0%50%100%
CIR reported use · report published 2012
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR