Question

_____ is used in the soap to reduce the cost. Fill in the blank

Answer 1

Fillers
hope it helpful to you

Answer 2

Fillers are added to the soap mixture in order to reduce the total cost of the soap in the market.

In addition to this, soap is also used in place of shampoo to decrease the total amount and establish an equilibrium condition with the quality and quantity.

There can be a different type of materials that are used as fillers.