Like, it just goes on your skin and you wash it off. Is there something special in the soap that attacks bacteria specifically?
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Soap on general doesn’t outright kill bacteria (although it can mess with with cell wall, IIRC, if someone knows please correct or elaborate). You put additives in soap that do.
What soap does is that it dissolves in water, but also attracts fats. So while fats and oils normally do not mix with water, soap enables that. This allows you to wash off any fatty, organic dirt with water, which would otherwise just flow over and off it, without picking it up. And this dirt includes bacteria.
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