murphyC12-13 Pareth-7
molecular structure · PubChem
AKA: Pareth-7 C12-13
Synthetic
Cleanser
Emulsifier
Not Clean
OriginDerived from pareth compounds, a class of synthetic nonionic surfactants created through petrochemical synthesis. Produced by ethoxylation of C12-13 fatty alcohols using ethylene oxide.
Alcohols, C12-13, ethoxylated (7 mol EO average molar ratio)
CAS #
66455-14-9
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
Skin Irritant in Testing
3 studies / 3 irritating / reactions slight to severe (CIR 581)
Mixed Sensitization Results
2 studies / 1 mixed / 1 not sensitizing (CIR 581)
Concentration Guide
Leave-onNot reported
Rinse-off0.09%
0%50%100%
CIR reported use · report published 2012
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR