Shampoos

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Chapter: Textbook of Cosmetic Formulation : Shampoos

A viscous cosmetic preparation with synthetic detergent used for washing hair is called shampoo. Its principle function is to clean the scalp such that it should become free from sebum and foreign substances. Shampoo also makes the hair lustrous and good looking.


SHAMPOOS

 

Definition

 

A viscous cosmetic preparation with synthetic detergent used for washing hair is called shampoo. Its principle function is to clean the scalp such that it should become free from sebum and foreign substances. Shampoo also makes the hair lustrous and good looking. In olden days detergent soap were used for washing hairs, but nowadays it has been replaced by shampoo. Today shampoo has become an important hair cosmetic for both men and women. However the detergent and other raw materials selected for shampoo preparation should be non toxic to tile scalp, eyes etc. Apart from cleaning, shampoo may also be used for medicinal purpose (i.e., medicated shampoo). After preparation each and every shampoo must be evaluated.


 

 

Properties:

 

·                               It should have optimum viscosity such that it facilitates ease during application.

 

·                               It should have good spreading properties.

 

·                               It should produce sufficient lather after application.

 

·                               It should be able to remove waste material such as debris, soil, sebum, dead cells, salts (due to sweat) etc., from the scalp.

 

·                               It should not form any kind of film on scalp.

 

·                               It should rinse out completely after washing.

 

·                               It should produce lather with both hot and cold water.

 

·                               It should facilitate ease of combing after shampooing.

 

·                               After drying, the hair should not give rough appearance.

 

·                               It should provide lustre to the hair.

 

·                               It should produce good odour both before and after shampooing.

 

·                               It should not produce any kind of irritation or itching to the scalp.

 

·                               It should not support any microbial growth.

 

·                               It should be stable and have a half life of about 2 to 3 years.

 

·                               It should be economical.

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