Aluminum Isostearates/Myristates

AKA: Aluminum Fatty Acid Salts

Plant-Derived

Emulsifier

Plant Oil

Not Clean

Isostearic acid, myristic acid, mixture, aluminum salt

Form

Wax

Functions

Anticaking

Emulsion Stabilising

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

Opacifying

Viscosity Controlling

Prevents Clumping

Stabilizes Emulsion

Adds Opacity

Controls Viscosity

Keeps product blended

Creates creamy opacity

Controls product thickness

Traditional Use

Modern synthetic emulsifier developed as an alternative to plant waxes and animal-derived emulsifiers. Formulated in the mid-20th century to improve texture and shelf-stability of cosmetics.

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-assessed0 reviews

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

Verified Jun 2026

Data: CosIng · EWG · CIR