1. Basic Information
INCI Name: Polyquaternium-39
Chemical Name: Dimethyldiallylammonium chloride acrylic acid acrylamide copolymer
Molecular Formula: (C8H16NCl)x·(C3H3O2)y·(C3H5NO)z
Molecular Weight: 304.8129
CAS No.: 25136-75-8
EINECS No.: 202-396-2


  1. Quality Specification
Item Standard
Appearance Colorless transparent thick liquid
Solid Content 10%±0.5
PH value (1% Aq. solution) 5-7
Viscosity (CPS/25℃) 6000-15000


  1. Property and Application

Polyquaternium-39 is an amphoteric polymer, high charge density, moisture, and pH for a wide range (1-14). These copolymers are recommended to improve the wet and dry properties of hair care products and to enhance the feel of skincare products.

Polyquaternium-39 is used in hair care products: relaxers, bleaches, dyes, shampoos, conditioners, styling products, and permanent waves.

  • Contributes luster and a soft, silky feel; provides rich, creamy foam to shampoos.

Provides excellent slip, lubricity, and snag-free wet compatibility without excessive buildup.

  • Imparts excellent dry compatibility.
  • Panel studies document excellent hair softness and wet hair feel during washing, rinsing, and after rinsing.
  • Help hold curls without flaking.
  • 1.0% as a product in shampoo and conditioner 3.0% as a product in other formulations.

Polyquaternium-39 is used in skincare products: moisturizing creams, lotions, bath gels, liquid soaps, soap bars, shaving products, and deodorants.

  • Imparts a smooth, velvety feel; reduces tightness after drying skin.
  • Provides excellent moisturization.
  • Contributes lubricity which can help make skincare products easier to apply.
  • Liquid cleansing products acquire richer foam with improved stability.
  • Suggested starting concentration: 1.5% as a product.


  1. Packing
    Standard packaging includes the following:

50kg, 125kg/drum

Other package sizes are available upon request.


  1. Storage
    Store in a well-ventilated, cool, dry area, out of direct sunlight. Keep containers tightly closed when not in use.


  1. Period of validity
    24 months


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