Eli5: how can soap clean oil while oil can clean some things that soap can’t

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Ex: soap cleans oil, oil cleans tree sap, but soap doesn’t clean tree sap

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Anonymous 0 Comments

It does, but poorly.

For one, soap is the stuff on a bar in your bathtub, it’s rarely used anymore. Most cleaners are detergents, and here’s the difference.

Soap makes things slippery. Washing does the removal, soap simply prevents it from re-adhering. Detergents dissolve (mostly oily) things making them water based again.

So how does oil fit in. Just as water dissolves sugar, oil dissolves wax. Diesel can take wax or sap off your shoes, but not candy.

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