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Isoceteth-10
AKA “Isocetyl alcohol ethoxylate, PEG-10 isocetyl ether”
Synthetic
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Ingredient Facts
Isoceteth-10
AKA: Isocetyl alcohol ethoxylate, PEG-10 isocetyl ether
Synthetic · Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Synthetic
Clean
Alcohols, C16-branched, ethoxylated (10 mol EO average molar ratio) 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
Function
Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
Synthetic ethoxylated surfactant developed in the late 20th century for cosmetics. Used as an emulsifier and cleansing agent to help blend oil and water-based ingredients in skincare formulations.
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
Concentration Guide
Industry reports use up to 21.0% across all product types. Source: CIR Safety Assessment (CIR Seq 581).
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: CosIng · EWG · CIR