Isomyreth-9
AKA “Isomyreth-9, Polyethylene Glycol Isomyreth
Synthetic
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Ingredient Facts
Isomyreth-9
AKA: Polyethylene Glycol Isomyreth
Synthetic · Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 3
Plant-Derived
Cleanser
Emulsifier
Synthetic
Clean
Polyoxyethylene (9) Isomyristyl Ether Science: Functions: Surfactant - Cleansing, Surfactant - Emulsifying Safety Ratings: CIR: Safe as used
CAS #
9002-92-0; 68439-50-9; 5274-68-0; 9004-95-9; 9005-00-9; 4536-30-5; 3055-93-4; 3055-94-5; 3055-95-6
Form
Liquid
Plant-Derived
Synthetic. Derived from isomyristic alcohol and ethylene oxide, members of the polyoxyethylene ether surfactant family. Synthesized through ethoxylation of isomyristic alcohol with nine moles of ethylene oxide.
Function
Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
A synthetic ethoxylated ester developed in the 20th century for use as an emulsifier and surfactant in cosmetics. Created to improve the stability and texture of creams and lotions.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score3
CIR Safety Findings
medical-approval, all-shades-safe, Not a Sensitizer
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR