Film Former
POLYQUATERNIUM-37
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
Polyquaternium-37 — a cationic conditioning polymer used to thicken creams and give a silky, soft after-feel. Widely used in lotions and conditioners; tolerated well at cosmetic levels with no notable safety flags.
Skin benefits
- Cationic conditioning film softens hair and skin
- Thickens and stabilises emulsions
- Detangling and anti-static action in haircare
Known concerns
- Mild eye irritation possible at higher use levels
- Limited literature on long-term skin exposure
- Cationic polymers can build up on hair
References
EU CosIng database
European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.
Related film formers
Check your shelf
Find POLYQUATERNIUM-37 in your products.
Scan any cosmetic product with LuxSense to see if it contains POLYQUATERNIUM-37 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.