Description
Polyquaternium-55 is a cationic film-forming polymer derived from a copolymer of vinylpyrrolidone and quaternized vinylimidazole. It is designed to provide hair protection, styling hold, and conditioning, especially under humid conditions. It is commonly used in styling products due to its anti-humidity and anti-frizz performance.
BENEFITS:
- Excellent anti-humidity performance (helps maintain hairstyles in high moisture environments)
- Film-forming (creates a flexible protective layer on hair)
- Frizz control
- Light to medium hold without stiffness
- Improves hair smoothness and manageability
- Adds shine and softness
- Thermal protection support (helps reduce heat styling damage)
INCI Name: Polyquaternium-55
CAS Number: 26161-33-1
pH: ~4.0 – 7.0
Solubility: Water soluble
Country of Origin: Japan
Usage Rate: Typical formulation levels:
- Hair sprays / styling products: 1% – 5%
- Leave-in conditioners: 0.5% – 3%
- Creams / gels: 0.5% – 4%
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