Why is Carboxymethyl cellulose added while making detergent powder?

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Solution

Detergent is the Sodium salt of a long chain Benzene Sulphonic acid that has cleansing properties in water.
Carboxymethyl cellulose (CMC) is a polymer which deposits on cotton and other fabric materials.
Carboxymethyl cellulose is used in washing mainly to form negatively charged hindrance for soils in the washing solution.

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