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C11-15 Pareth-30
AKA “C11-15 Pareth-30, Pareth-30, Polyoxyethylene alkyl ether”
Synthetic
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Ingredient Facts
C11-15 pareth-30
AKA: Polyoxyethylene alkyl ether
Synthetic · Cleansing | Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Synthetic
Clean
A gentle cleanser that removes dirt and oil while helping blend water and oil-based ingredients together for a smooth formula.
CAS #
173244-48-9
Form
Liquid
Plant-Derived
Synthetic. Derived from fatty alcohols and ethylene oxide, both petroleum-derived synthetic chemicals. Synthesized through ethoxylation, a process adding ethylene oxide chains to fatty alcohol bases.
Function
Cleansing | Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Removes Impurities
Cleansing Surfactant
Emulsifier
Mixes Oil & Water
Traditional Use
Synthetic polyethoxylated surfactant created for advanced cosmetic formulations. Designed to provide strong emulsification properties with improved mildness.
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
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: CosIng · EWG · CIR