Quaternium-18/Benzalkonium Bentonite

AKA: Clay/quaternium salt complex
Synthetic
Clay
Not Clean
Quaternary ammonium compounds, bis(hydrogenated tallow alkyl)dimethyl, compounds with bentonite and C8-C18-alkylbenzyldimethylammonium chloride
Form
Powder
Functions
Viscosity Controlling
Controls Viscosity
Traditional Use
A modern composite preservative and conditioning ingredient combining multiple synthetic antimicrobial and conditioning agents with bentonite clay. Developed to provide broad-spectrum preservation while improving formula texture.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
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: CosIng · EWG · CIR