PPG-13
AKA “Polypropylene glycol 13”
Skin Conditioning
Ingredient Facts
PPG-13
AKA: Polypropylene glycol 13
Skin Conditioning · Skin Conditioning · EWG: 4
Synthetic
Skin Conditioner
Not Clean
Poly[oxy(methyl-1,2-ethanediyl)], .alpha.-hydro-.omega.-hydroxy- (13 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.
Locks in moisture
Traditional Use
A polypropylene glycol polymer developed in the mid-20th century as a humectant and solvent. Created as part of modern synthetic cosmetic chemistry with no traditional use.
Skin Types
●all-skin-types
Best For
Dehydration
Pregnancy & Breastfeeding Safe
Yes
Polydimethylsiloxy PPG-13 Butyl Ether Silsesquioxane
European Commission
EU Cosmetic Ingredient Database (CosIng)
PPG-13
European Commission
EU Cosmetic Ingredient Database (CosIng)
PPG-13-Decyltetradeceth-24
European Commission
EU Cosmetic Ingredient Database (CosIng)
PPG-13-Decyltetradeceth-24
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: CosIng · EWG · CIR