PPG-2-Isodeceth-25
AKA “Polypropylene Glycol Isodeceth-25, PPG Surfactant
Synthetic
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Ingredient Facts
PPG-2-Isodeceth-25
AKA: Polypropylene Glycol Isodeceth-25, PPG Surfactant
Synthetic · Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 4
Plant-Derived
Cleanser
Emulsifier
Synthetic
Clean
A gentle cleanser that helps remove impurities and oil while keeping formulas smooth and blended together for even application.
CAS #
155683-77-5
Plant-Derived
Synthetic. Derived from propylene glycol and isodecyl alcohol, both petroleum-derived synthetic compounds. Synthesized through ethoxylation, a process adding ethylene oxide chains to create a surfactant polymer.
Function
Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
Synthetic polyethylene glycol-based surfactant developed in the mid-20th century for use as an emulsifier and solubilizer in cosmetics and personal care products. Has no traditional or historical use prior to modern synthetic chemistry.
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 an Irritant
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR