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Hair Conditioning

SILICONE QUATERNIUM-4

80

Safety score · 0–100

Good

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

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

ANTISTATICHAIR CONDITIONING

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

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, so always read the physical product label and consult a healthcare professional for personal concerns.