Other
POLYQUATERNIUM-27
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Polyquaternium-27 is a cosmetic ingredient used in product formulations. Exercise caution due to limited available safety data.
Polyquaternium-27 is a cationic conditioning polymer used as an antistatic agent and film former in skin and hair care products. It is not listed in EU Cosmetics Regulation Annexes II–VI and is not subject to specific restriction. As a macromolecular quaternary ammonium polymer, it has negligible systemic absorption and is generally well tolerated, though rare cases of polymer-specific contact sensitivity have been reported in the literature.
Skin benefits
- Forms a substantive conditioning film on skin and hair
- Reduces static and improves comb-through
- Improves skin feel by adding a smooth, silky layer
Known concerns
- Rare potential for polymer-specific contact sensitisation
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related others
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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.