INCI · other · CIR review pending · used in 2 products
Polyquaternium-7
Polyquaternium-7 is the polymeric quaternary ammonium salt of acrylamide and dimethyl diallyl ammonium chloride, registered under CAS # 26590-05-6. It is subject to Cosmetic Restrictions III/66. It appears frequently in hair care and cleansing formulations such as shampoos, conditioners, and gels.
Evidence level
weakEWG score
—Comedogenic
—Category
other● Benefits
Polyquaternium-7 functions as an antistatic and film-forming agent, helping to reduce static and deposit a conditioning film on hair or skin surfaces. Its cationic nature allows it to adhere to negatively charged hair and skin, improving manageability and texture.
antistaticfilm-formingconditioning
● Cautions
Subject to cosmetic regulatory restrictions (CosIng III/66); formulators should observe applicable concentration limits.
