Conditioning Agent
SILICONE QUATERNIUM-28
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A quaternary conditioning or antimicrobial ingredient that works well at low levels but can be irritating.
This quaternary ammonium ingredient is used for conditioning, antimicrobial, or anti-sebum effects. Quats can be useful at low concentrations, but they are more irritating than bland emollients and can sting eyes or compromised skin, which pulls the score down.
Function
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related conditioning agents
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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.