Categories: Film-Forming Agent
Polyquaternium-7 is a synthetic polymer used in skin care products as a film-forming agent and to help increase the viscosity of a formula. In hair care, it is a detangler and conditioning ingredient.
In its liquid form, it is a clear to pale yellow color.
The independent Cosmetic Ingredient Review has ruled polyquaterium-7 safe as used in cosmetics. Usage levels for polyquaternium-7 range from 0.009-5%.