PPG-4 Trideceth-6

AKA: Polypropylene Glycol-4 Trideceth-6, Surfactant

Synthetic

Emollient

Cleanser

Emulsifier

Skin Conditioner

Not Clean

Oxirane, methyl-, polymer with oxirane, monotridecyl ether (6 mol EO; 4 mol PO average molar ratios)

CAS #

65150-81-4

Functions

Emollient

Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.

Emulsifying

Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.

Locks In Moisture

Traditional Use

Synthetic emulsifier developed for cosmetic use. Designed to stabilize complex formulations containing both oil-soluble and water-soluble ingredients.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not an Irritant

medical-approval

all-shades-safe

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewednone on file

⚖️Regulatory1 listing →

🛡️Safety-assessed1 review →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

Verified Jun 2026

Data: CosIng · EWG · CIR