Polyquaternium-15

Polyquaternium-15 is a copolymer, the polymeric quaternary ammonium salt formed from Methacrylamide (q.v.) and betamethacrylyloxyethyl trimethyl ammonium chloride. The number 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...