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PPG-34
AKA “Polypropylene Glycol 34”
Synthetic
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Ingredient Facts
PPG-34
AKA: Polypropylene Glycol 34
Synthetic · Skin Conditioning | Humectant | Viscosity Controlling · EWG: 4
Plant-Derived
Humectant
Skin Conditioner
Synthetic
Clean
A humectant that helps skin retain moisture and stay soft, smooth, and hydrated throughout the day.
CAS #
25322-69-4
Form
Liquid
Plant-Derived
Synthetic. PPG-34 is a polypropylene glycol synthesized from propylene oxide, a petrochemical derivative. It is produced through the polymerization of propylene oxide monomers using catalytic reaction processes.
Function
Skin Conditioning | Humectant | Viscosity Controlling
Benefits
Locks in moisture
Traditional Use
Polypropylene glycol variant synthesized in the 20th century as a humectant and emollient for cosmetic use.
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
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: CosIng · EWG · CIR