Polyglyceryl-4 Isostearate/Laurate

AKA: Isostearic/Lauric Acid Polyglyceryl Ester, Mixed Chain Emollient

Plant-Derived

Cleanser

Emulsifier

Plant Oil

Not Clean

Ester of tetraglycerol and a mixture of isostearic acid and lauric acid

Functions

Emulsifying

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

Emulsifier

Locks In Moisture

Wound Healing

Mixes Oil & Water

Traditional Use

A dual-chain emulsifier combining isostearic and lauric acids with polyglyceryl technology. Created to balance cleansing and conditioning properties in multipurpose skincare products.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not a Sensitizer

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