Polypropylene Terephthalate
AKA “PPT, Polypropylene Terephthalate
Skin Conditioning
Ingredient Facts
Polypropylene terephthalate
AKA: PPT
Skin Conditioning · Emulsion Stabilising · EWG: 1
Synthetic
Emulsifier
Skin Conditioner
Clean
Poly(oxy-1-methylethyleneoxy-1,4-phthaloyl)
CAS #
-
Form
Powder
See origin →
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
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 polyester developed in the mid-20th century, primarily used in packaging and industrial applications before adoption in cosmetic formulations for texture and stability purposes.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not an Irritant
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR