C12-13 Pareth-9
AKA “C12-13 Pareth-9, Pareth-9 C12-13
Synthetic
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Ingredient Facts
C12-13 pareth-9
AKA: Pareth-9 C12-13
Synthetic · Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 1
Synthetic
Cleanser
Emulsifier
Plant Oil
Synthetic
Clean
A gentle cleansing agent that removes oil and dirt while helping blend water and oil-based ingredients into smooth, stable formulas.
CAS #
66455-14-9
Form
Liquid
Synthetic
Synthetic. Derived from coconut or palm kernel oils, which are converted into fatty alcohols through hydrogenation. Synthesized by ethoxylation of C12-13 fatty alcohols with ethylene oxide to create the polyethylene glycol ether.
Function
Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
Synthetic nonionic surfactant from the pareth family, developed in the 20th century for emulsification and solubilization in cosmetic formulations.
Skin Types
all-skin-types, gentle
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score1
CIR Safety Findings
ewg-1, medical-approval, pregnancy-nursing-safe, all-shades-safe, Not a Sensitizer
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR
C12-13 Pareth-9 — Duck Heart Ghost