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Cosmetics Ingredients
The material selection platform
Cosmetics Ingredients


CAS Number: 26590-05-6
Chem/IUPAC Name: Poly(acrylamide-co-diallyldimethylammonium chloride)
COSING REF No: 36882
Polyquaternium-7 is a quaternary ammonium, hydrophilic synthetic chemical compound, It is cationic and has a stable chemical structure. In its liquid form, the compound is clear or pale yellow in color. Polyquaternium 7 is a very good detangler and provides slip for easier wet-combing. In addition, it will add softness and shine to dry hair.

What is POLYQUATERNIUM-7 used for?

Polyquaternium-7 imparts a smooth velvety feel and improves slip and moisturization in skin and hair care products. It is used in an array of products: shampoos, creams, body lotions, body wash, baby shampoo, bubble baths, conditioners, soaps, and shaving cream. It can be used in anhydrous products as well.
  • Skin care: It is used in skin care formulations to improve glide, provide softness and hydration
  • Hair care: As a conditioning agent, it helps detangle hairs and keep them soft. It has film-forming and antistatic properties thus provides continuous coverage while preventing frizz, improves wet combing and detangling of hair


Polyquaternium-7 is a quaternized copolymer of acrylamide and diallyldimethylammonium chloride.

What does POLYQUATERNIUM-7 do in a formulation?

  • Antistatic
  • Film forming
  • Hair conditioning
  • Moisturising

Safety Profile of POLYQUATERNIUM-7

Polyquaternium-7 is non-toxic and safe for topical application when used in limits. Above 5%, it is considered to cause an allergic reaction on the body. According to a study, if the concentration of Polyquaternium-7 is below 5% in the formulation, then the amount of acrylamide is non-toxic in nature. Even if any allergic reaction occurs, it is very mild and subsides within 24 hours. Some people with hypersensitive skin or any other skin conditions have reported allergic contact dermatitis due to the presence of Polyquaternium-7 in skincare products.


POLYQUATERNIUM-7 Technical profile

Property Values
pH 6.5-8.5
Solubility Soluble in water
Viscosity 7500-15000 mPa.s

Who supplies POLYQUATERNIUM-7 ?

Custom Ingredients
Thornley Company
Ameya Perfomatt

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