Silicone polymer
SILICONE QUATERNIUM-20
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Cationic silicone conditioning polymer used in hair and skin care for substantivity and softness. Generally well tolerated at cosmetic levels, with silicone environmental persistence as the main consideration.
Function
Skin benefits
- Cationic silicone conditioning agent providing substantivity to hair and skin
- Improves wet and dry combability in hair care
- Imparts soft, smooth feel without heavy buildup
- Reduces static and frizz in styling products
Known concerns
- Quaternary ammonium groups can be mildly irritating to eyes at higher levels
- Silicone polymers have ongoing environmental persistence discussion
- Buildup possible on hair without appropriate cleansing
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related silicone polymers
Check your shelf
Find SILICONE QUATERNIUM-20 in your products.
Scan any cosmetic product with LuxSense to see if it contains SILICONE QUATERNIUM-20 and get a full ingredient breakdown with safety scores.
This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.