I always assumed it has something to do with the foam, but I’m not quite sure what.
I also assume that shampoo and toothpaste work in a similar way, but with different chemicals that provide specific benefits to hair and teeth respectively.
In: Physics
The process is called ‘emulsion’ I believe? Or soap is an ‘emulsifier’. I know it contains molecules attracted to both oil and water. Dirt = oil, so the soap attaches to the oil and washes away with water.
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