Quaternium 90 Montmorillonite

AKA: QUATERNIUM-90 MONTMORILLONITE, QUATERNIUM-90 MONTMORILLONITE [INCI], QUATERNIUM-90 MONTMORILLONITE COMPONENT OF GARAMITE-7308 XR

Synthetic

Skin Conditioner

Clay

Synthetic

Not Clean

The CIR Expert Panel concluded that the alkonium clay ingredients listed below are safe in cosmetics in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating...Quaternium-90 Montmorillonite...

Formula

C33H73Al2Mg2NO23Si8

Mol. Weight

1179.20

Functions

Skin Conditioning

A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.

Emulsifier

Controls Viscosity

Mixes oil and water

Controls product thickness

Traditional Use

This does not appear to be a valid cosmetic ingredient INCI name and cannot be identified in cosmetic ingredient databases or traditional use literature.

EWG

CIR

Insufficient

Pregnancy

—

CIR Safety Findings

Not a Sensitizer

all-shades-safe

Regulatory Status

USAunder review

CANADA✔ permitted

Regulatory Agencies

EWG CIR FDA Health Canada

Skin Types

●all-skin-types

The paper trail

🔬Peer-reviewednone on file

⚖️Regulatory0 listings

🛡️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