PPG-52
AKA “Polypropylene Glycol-52, Humectant
Skin Conditioning
Ingredient Facts
PPG-52
AKA: Polypropylene Glycol-52, Humectant
Skin Conditioning · Skin Conditioning · EWG: 4
Synthetic
Skin Conditioner
Not Clean
PPG-52 is the polymer of propylene oxide
CAS #
-
Form
Liquid
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
A synthetic polypropylene glycol polymer created for the cosmetics industry to function as a humectant, thickener, and texture-enhancing ingredient in contemporary skincare products.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR