PPG-16
AKA “Polypropylene Glycol 16”
Skin Conditioning
Ingredient Facts
PPG-16
AKA: Polypropylene Glycol 16
Skin Conditioning · Skin Conditioning · EWG: 4
Synthetic
Skin Conditioner
Not Clean
Poly[oxy(methyl-1,2-ethanediyl)], .alpha.-hydro-.omega.-hydroxy- (16 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 created in the mid-20th century for use as a humectant and solvent in skincare products. No traditional application exists.
Skin Types
●all-skin-types
Best For
Dehydration
Pregnancy & Breastfeeding Safe
Yes
Bis-PEG/PPG-16/16 PEG/PPG-16/16 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-16/2 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG/PPG-16/8 Dimethicone
European Commission
EU Cosmetic Ingredient Database (CosIng)
PPG-16
European Commission
EU Cosmetic Ingredient Database (CosIng)
PPG-16 Butyl Ether
European Commission
EU Cosmetic Ingredient Database (CosIng)
Bis-PEG/PPG-16/16 PEG/PPG-16/16 Dimethicone
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: CosIng · EWG · CIR