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
OriginDerived from montmorillonite clay, a naturally occurring aluminum silicate mineral, chemically modified with quaternary ammonium compounds. Produced by treating montmorillonite clay with quaternary ammonium salts through ion-exchange reaction processes.
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
Skin Types
●all-skin-types
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
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.
EWG
4
CIR
Insufficient
Pregnancy
—
Concentration Guide
Leave-on0.4–0.8%
Rinse-offNot reported
0%50%100%
CIR reported use · 2015 survey
Regulatory Status
USAunder review
CANADA✔ permitted
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR