Hair Conditioning
SILICONE QUATERNIUM-4
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A cationic silicone polymer that deposits on hair and skin to give softness, smoothness, and antistatic protection. Non-penetrating polymer with a clean toxicology record at cosmetic use levels.
Function
Skin benefits
- Cationic silicone polymer — strong substantivity to hair and skin
- Provides softness, slip, and antistatic effect
- Non-penetrating polymer with low irritation profile
Known concerns
- Cationic + silicone backbone — environmental persistence
- Quaternary ammonium can cause mild eye irritation in rinse-off
- Buildup possible with frequent use without clarifying
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related hair conditionings
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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.