PPG-7
AKA “Polypropylene Glycol 7
Skin Conditioning
Ingredient Facts
PPG-7
AKA: Polypropylene Glycol 7
Skin Conditioning · Skin Conditioning · EWG: 1
Synthetic
Solvent
Skin Conditioner
Clean
Poly[oxy(methyl-1,2-ethanediyl)], .alpha.-hydro-.omega.-hydroxy- (7 mol PO average molar ratio)
CAS #
25322-69-4
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.
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Locks in moisture
Traditional Use
A polypropylene glycol polymer developed in the cosmetics industry during the 1970s. Used as a humectant, solvent, and texture enhancer in skincare and personal care products.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
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