Quaternium-90 Bentonite

Quaternium-90 Bentonite 1
photograph
AKA: Tixogel vp-v, Quaternium-90 bentonite [INCI], 226226-22-8, WWEJJHKVJXCQFH-UHFFFAOYSA-N
Synthetic
Clay
Clean
OriginDerived from bentonite clay, a naturally occurring aluminium silicate mineral, treated with quaternary ammonium compounds. Produced through chemical modification where bentonite clay is treated with quaternary ammonium salts to create a charged, organophilic derivative.
Quaternium-90 Bentonite is a reaction product of Bentonite (q.v.) and Quaternium-90 (q.v.)
Formula
C33H73Al2NO12Si4
Mol. Weight
842.20
CAS #
226226-22-8
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Viscosity Controlling
Controls Viscosity
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant
2 studies / 2 not irritating (CIR 698)
Not a Sensitizer
2 studies / 2 not sensitizing (CIR 698)
Mixed Eye Irritation Results
4 studies / 1 irritating / 1 mixed / 2 not irritating / reactions slight to moderate (CIR 698)
Concentration Guide
Leave-on0.41–6.1%
Rinse-off0.63%
0%50%100%
CIR reported use · 2015 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR