C12-14 Sec-Pareth-40
AKA “C12-14 Sec-Pareth-40, Secondary Pareth-40 C12-14
Synthetic
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Ingredient Facts
C12-14 sec-pareth-40
AKA: Secondary Pareth-40 C12-14
Synthetic · Emulsion Stabilising | Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Synthetic
Clean
A gentle cleanser that helps blend oil and water in formulas, keeping products smooth and effective at removing impurities without stripping skin.
CAS #
84133-50-6
Form
Liquid
Plant-Derived
Synthetic. Derived 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.
Function
Emulsion Stabilising | Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Stabilizes Emulsion
Cleansing Surfactant
Emulsifier
Lifts away dirt and oil
Mixes oil and water
Keeps product blended
Traditional Use
Synthetic nonionic surfactant developed in the mid-20th century as an emulsifier and solubilizer. Created to replace natural plant-based emulsifiers in cosmetic formulations, offering improved stability and consistency.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR