Polyquaternium 7 (Polyquaternium-7) — Thickener

Polyquaternium 7

INCI Name: Polyquaternium-7

Common Name: Polyquat 7, Merquat 550

Class: Thickener

Functions: Conditioning Agent, Antistatic, Film Former

Typical Usage Rate: 0.1-2%

Phase: Water Phase or Cool-Down

Solubility: water

Used in: LotionMath, BubbleMath (surfactant calculator)

Notes: High MW cationic polymer; excellent conditioning; minimal buildup