Aluminum Dimyristate

AKA: Aluminium dimyristate, ALUMINUM HYDROXYBIS(TETRADECANOATO), ALUMINUM DIMYRISTATE [INCI]

Synthetic

Emulsifier

Clean

Hydroxybis(myristato-O)aluminium

Formula

C28H55AlO5

Mol. Weight

498.70

CAS #

56639-51-1

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

Fights Acne

Prevents clumping

Keeps product blended

Creates creamy opacity

Controls product thickness

Traditional Use

A modern synthetic compound developed as a gelling agent and thickener in cosmetics, with origins in mid-20th-century chemical manufacturing.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not a Sensitizer

ewg-1

medical-approval

pregnancy-nursing-safe

all-shades-safe

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

Skin Types

●all-skin-types, gentle

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: PubChem · CosIng · EWG · CIR