PPG-9 Diethylmonium Chloride
AKA “Polypropylene Glycol 9 Diethylmonium Chloride
Synthetic
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Ingredient Facts
Ppg-9 diethylmonium chloride
AKA: Polypropylene Glycol 9 Diethylmonium Chloride
Synthetic · Antistatic | Hair Conditioning | Surfactant - Cleansing | Surfactant - Emulsifying · EWG: 3
Plant-Derived
Cleanser
Emulsifier
Skin Conditioner
Hair Care
Synthetic
Clean
Helps condition and soften hair while reducing frizz and static. Also works as a gentle cleanser that helps blend ingredients together smoothly.
CAS #
9042-76-6
Plant-Derived
Synthetic. Derived from propylene glycol and diethylamine, both petrochemical-based compounds. Synthesized through quaternization, where diethylamine is chemically bonded to a propylene glycol polymer backbone using chloride.
Function
Antistatic | Hair Conditioning | Surfactant - Cleansing | Surfactant - Emulsifying
Benefits
Reduces Static
Conditions Hair
Cleansing Surfactant
Emulsifier
Locks In Moisture
Fights Bacteria
Lifts away dirt and oil
Reduces flyaways
Softens and detangles hair
Mixes oil and water
Traditional Use
Developed in the mid-20th century as a synthetic conditioning and antistatic agent. Created for use in hair care products to improve manageability and reduce static electricity.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score3
CIR Safety Findings
all-shades-safe, Not a Sensitizer
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR