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Thickener

QUATERNIUM-90 BENTONITE

CAS 226226-22-8 Updated
70

Safety score · 0–100

Fine

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

About

An organically modified clay used to thicken oils and stabilize sunscreens or makeup. Sits on skin, doesn't penetrate; main caution is inhalation if used as loose powder.

Function

VISCOSITY CONTROLLING

Skin benefits

  • Rheology modifier in oils
  • Stabilizes color cosmetics and sunscreens
  • Non-penetrating clay
  • Improves product texture

Known concerns

  • Inhalation risk for loose powder forms

References

EU

EU CosIng database

European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.

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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.