C11-13 Pareth-9
AKA “C11-13 Pareth-9, Pareth-9
Synthetic
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Ingredient Facts
C11-13 pareth-9
Synthetic · Cleansing | Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Synthetic
Clean
A gentle cleanser that helps remove oil and impurities while keeping your product's texture smooth and blended. Works to lift dirt without stripping skin.
CAS #
-
Form
Liquid
Plant-Derived
Synthetic. Derived from petrochemical sources or plant-based fatty alcohols within the polyethylene glycol ether surfactant family. Synthesized by ethoxylation of C11-13 fatty alcohols, then condensed with additional ethylene oxide units.
Function
Cleansing | Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Removes Impurities
Cleansing Surfactant
Emulsifier
Mixes Oil & Water
Traditional Use
Synthetic nonionic surfactant developed for cosmetic use in the late 20th century. Created to provide gentle cleansing properties with improved skin compatibility.
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