Hair Conditioning
POLYQUATERNIUM-73
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
A multi-tasking cationic hair polymer that conditions, fights frizz, and holds styling — all while keeping hair soft. Well-established conditioning class with a strong cosmetic safety record.
Function
Skin benefits
- Conditions hair and reduces static
- Provides flexible hold in styling products
- Improves wet-comb and shine
Known concerns
- Cationic polymer; may build up on hair with repeated leave-on use
- Eye-area exposure warrants formulator attention
- Trace monomer residues require supplier control
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, so always read the physical product label and consult a healthcare professional for personal concerns.