Polyquaternium-4

Polyquaternium-4 is a synthetic polymer derived from cellulose, commonly used in hair care products. It acts as a conditioning agent, helping to detangle hair and improve its manageability. This ingredient also provides film-forming properties, contributing to hair's texture and hold.

BenefitGood 2.5 / 4

Hydration i0.5 / 4

Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.

RiskVery low 0 / 4

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

• improves hair manageability
• provides conditioning
• enhances hair texture