murphyC12-14 Sec-Pareth-40
molecular structure · PubChem
AKA: Secondary Pareth-40 C12-14
Synthetic
Cleanser
Emulsifier
Not Clean
OriginDerived from petroleum-based hydrocarbons or plant-derived fatty alcohols combined with ethylene oxide. Synthesized through ethoxylation, where ethylene oxide chains are added to fatty alcohol precursors.
C12-14 Sec-Pareth-40 is a polyethylene glycol ether of a mixture of synthetic secondary C12-14 fatty alcohols with an average of 40 moles of ethylene oxide
CAS #
84133-50-6
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
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.
Stabilizes Emulsion
Cleansing Surfactant
Emulsifier
Lifts away dirt and oil
Mixes oil and water
Keeps product blended
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.
Verified Jun 2026
Data: CosIng · EWG · CIR