Polyquaternium-99 is a chemical compound, the polymeric quaternary ammonium salt obtained by the reaction of butyl methacrylate, 2-ethoxyethylmethacrylate and methacryloyloxyethyl trimethyl ammonium chloride.
The number after Poliquaternium is a chronological reference of the registration date of this ingredient.
It occurs as a colourless to light yellow liquid, soluble in water, insoluble in ester, hydrocarbons and ketone or in the form of a white powder.
What it is used for and where
Cosmetics
Film-forming agent. It produces a continuous ultra-thin film with an optimal balance of cohesion, adhesion and stickiness on the skin or hair to counteract or limit damage from external phenomena such as chemicals, UV rays and pollution.
