How do you make homemade car shampoo? (with wax)?

I need the a step by step procedure. Even though there is an existing product already, i still need the procedure and methodology.How do you make homemade car shampoo? (with wax)?
Sorry, I only know how to make shampoo for cars manufactured in assembly plants. I don't know how a homemade car would react to the same shampoo - I assume homemade cars have different material content than assembly-plant cars.





You might try Pep Boys or similar.How do you make homemade car shampoo? (with wax)?
It is called Dawn Dishwashing liquid, best grease cutter in town.
Crack it. Break it down at the molecular level and extract the alcohol to use as the cleaning agent.