Hexyldeceth-20
AKA “PEG-20 hexyl decyl ether
Synthetic
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Ingredient Facts
Hexyldeceth-20
AKA: PEG-20 hexyl decyl ether
Synthetic · Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Synthetic
Clean
Hexyldecanol, polymer with oxirane (1:20) Science: Functions: Surfactant - Cleansing, Surfactant - Emulsifying Safety Ratings: CIR: Safe as used
CAS #
-
Form
Liquid
Plant-Derived
Synthetic. Derived from hexyldecanol (a fatty alcohol) and ethylene oxide as starting materials from petrochemical sources. Synthesized through polyethoxylation, whereby ethylene oxide is chemically bonded to hexyldecanol in a 20:1 ratio.
Function
Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
A synthetic polyethylene glycol ester developed as a surfactant and humectant in modern cosmetics. Created to improve water absorption and product emulsification.
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 3.0% across all product types. Source: CIR Safety Assessment (CIR Seq 581).
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR