When talking about chemistry, one of the first topics to breach is the chemistry of soap. In the time of a global pandemic, washing our hands has become second nature and at some point at the beginning the stockpiling of soap even led to shortages in some areas.
So let's talk about soap and how it does its job.

Sources
https://de.wikipedia.org/wiki/Seife
https://en.wikipedia.org/wiki/Soap
General Chemistry by D. D. Ebbing 5th Ed. 1996 ISBN 0-395-74415-6
https://en.wikipedia.org/wiki/Detergent
https://de.wikipedia.org/wiki/Reinigungsmittel
https://www.quirkyscience.com/difference-soap-detergent/
https://www.theguardian.com/commentisfree/2020/mar/12/science-soap-kills-coronavirus-alcohol-based-disinfectants
https://www.vox.com/science-and-health/2020/3/11/21173187/coronavirus-covid-19-hand-washing-sanitizer-compared-soap-is-dope
https://en.wikipedia.org/wiki/Chemical_polarity
https://en.wikipedia.org/wiki/Solubility