Polyquaternium 7

Polyquaternium-7 (PQ-7) is a water-soluble polymer that is commonly used as a conditioning agent and film-forming agent in cosmetic formulations. It is derived from the polymerization of diallyldimethylammonium chloride, resulting in a positively charged molecule.
more: https://www.theyoungchemist.com/detail/polyquaternium-7-pq-7.html

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