PPG-16
AKA “Polypropylene Glycol 16
Synthetic
Ingredient Facts
PPG-16
AKA: Polypropylene Glycol 16
Synthetic · Emollient · EWG: 4
Synthetic
Emollient
Skin Conditioner
Synthetic
Clean
A lightweight humectant that draws moisture into skin, helping keep it soft and hydrated throughout the day.
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.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Viscosity Controlling
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
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR