My dad and I are having a debate about the importance of using washing up liquid and I need your help!!
He proffers that water in itself is clean, so why can we not just use water to clean our plates etc.
He also gave an example of how we would likely feel cleaner after “trudging through the jungle”, if we had a wash in a big jungle waterfall without soap.
I showed him that his glasses come out looking cleaner (no water marks) when he washes them with washing up liquid to prove my point that it is important to use it.
But can anyone tell me the actual science behind why we should use it? Or is my dad right? 😂
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Oily substances repel water. Soap bridges the gap between oil and water allowing the water to wash away the oils that would normally repel it.
Water alone cannot clean oil off of a surface entirely.
Then you get into bacteria and microorganisms that not only aren’t washed away by water, but thrive in it and require it to survive and multiply. Soap is also often a disinfectant, killing those bacteria/microorganisms outright while also also clinging to them like it does oils so water can wash it away.
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