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How to Manufacture of Shampoos by Using A Kos High Shear Homogenizer

Shampoos are a mixture of surfactants, conditioning agents, and many other ingredients in an aqueous base. In addition to basic shampoos which simply clean the hair, there are products designed for specific hair types;“2-in-1” shampoos and conditioners; products which offer properties such as treatment of dandruff; UV protection; some degree of coloring (although most hair colorants are based on conditioners rather than shampoos); and “medicated” products. A typical manufacturing process would be as follows:

Step 1: Water is metered into the process vessel. This is often heated to around 130 – 140˚F (55-60˚C) to aid dilution/hydration of other ingredients.

Step 2: The first ingredient added is normally the surfactant, as other additives, particularly those which affect viscosity, can make dilution of the surfactant more difficult.

Step 3: Conditioners and other ingredients are added.

Step 4: PH is adjusted to the required level.

Step 5: Sodium chloride or other viscosity modifiers are added last, along with color and fragrance.

Many problems can be encountered during the manufacturing process when using conventional agitators. For example: Silicones are immiscible with water and can be chemically incompatible with some surfactants, making them very difficult to emulsify or suspend; or Agitators do not produce sufficient shear to reduce silicones to the finest possible droplet size and obtain a stable emulsion/suspension. They will tend to vortex, increasing aeration; or many ingredients have a much higher viscosity than water. When blending these with an agitator, the higher viscosity material can form globules which are simply washed around without being diluted/ dispersed. However, when you use a high shear emulsifier from KOS, these problems can be easily solved:

 

 homogenizer pump
  • The vessel is charged with water. The in-tank agitator and In-Line mixer are started, and the surfactant and other ingredients are added in the order specified. The powerful suction created by the In Line mixer draws the materials through the pipeline into the rotor/stator.
 homogenizer
  • Centrifugal force drives the materials to the periphery of the work head where they are subjected to intense high shear in the gap between the rotor and stator.
 mixer equipment
  • The product is forced out through the stator and recirculated back to the process vessel as fresh material is drawn into the work head.

 

Using a Kos high shear homogenizer, it can not only rapidly blend liquids of widely differing viscosities. But also dramatically reduce the mixing times. Most importantly, it can significantly better yield of thickening agents than what can be achieved by traditional methods including agitators. Kos machinery is specialized in emulsion homogenizer for many years. If interested, please shop on our website: www.emulsifyingmixer.com.

 

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One thought on “How to Manufacture of Shampoos by Using A Kos High Shear Homogenizer

  • November 11, 2017 at 7:28 am
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    You should! It’s quick and easy, as well as simple and clean to remove if you get tired of it. The hot glue scrapes off easily and leaves no residue.

    Reply

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