What Is a Recipe for Homemade Car Washing Detergent?


Quick Answer

To make your own car washing detergent at home, mix 1/2 cup dishwashing liquid and 1/2 cup baking soda with 1 gallon of warm water. The baking soda helps get heavy dirt and grime off of your car, but is not abrasive enough to damage the car's paint.

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Full Answer

Add borax to the recipe to prevent streaking and leftover residue while washing.

A more environmentally-friendly recipe is to mix 1 cup of dishwashing liquid and 1 cup of non-petroleum-based powdered laundry detergent that contains no chlorine or phosphate in 3 gallons of warm water. Vegetable-based oil soaps are also good options for the environment.

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