This is going to make you wash your hands ⬇️
Children everywhere are grossly familiar with those questions, but it's for a good reason: Washing with soap is essential for preventing the spread of germs that make us sick.
The basic recipe for soap hasn't changed for thousands of years. It's still a combination of fat or oils with an alkali — basic ionic salt — and water. When those ingredients combine in the proper proportions, they go through a chemical process called saponification, which results in soap. Today, there are two techniques that people use to make soap: the cold process and the hot process.
When you wash your hands with soap, the soap molecules act as a mediator between the water and oil molecules, and bind with both of them at the same time. Then when you rinse everything off, the soap carries away the germs with the water. Is antibacterial soap even better? Nope. Antibacterial soaps have added ingredients like triclosan or triclocarban, which are hydrophobic molecules that can penetrate bacterial cell membranes and kill the bacteria. Sounds impressive, but studies have shown that antibacterial soaps are no more effective than regular soaps at removing bacteria.
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