The material selection platform
Cosmetics Ingredients
The material selection platform
Cosmetics Ingredients


CAS Number 26161-33-1, 5039-78-1
Chem/IUPAC Name: Trimethyl-[2-(2-methylprop-2-enoyloxy)ethyl]azanium;chloride
EINECS/ELINCS No: 225-733-5, 607-876-9
COSING REF No: 79206
Polyquaternium refers to the presence of quaternary ammonium centers in the polymer. They are positively charged polymers and neutralize the negative charge of most shampoos and hair proteins thus making the hair lie flat. Polyquaternium-37 is an antistatic agent used in various personal care and home care products.

What is POLYQUATERNIUM-37 used for?

Polyquaternium-37 is one of the most widely used polyquaternium compounds to be used as an antistatic agent and a film-former in hair care products.
  • Hair care: It works by providing a positive charge to counteract the negative charge found in shampoos and other hair care products. It also bonds ionically to the hair and imparts conditioning benefits like ease of combing, hair alignment, shine and elasticity


Polyquaternium-37 is made by modifying naturally occurring materials like cellulose or guar gum.

What does POLYQUATERNIUM-37 do in a formulation?

  • Antistatic
  • Film forming

Safety Profile of POLYQUATERNIUM-37

Polyquaternium-37 is considered to be a low hazard ingredient however, it can get accumulated with repeated use. It is considered safe for use in cosmetics but is subject to concentration limitations.

POLYQUATERNIUM-37 Alternatives

POLYQUATERNIUM-37 Technical profile

Property Values
Boiling Point >100°C
Melting Point -25°C
Solubility Soluble in water
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