chemical reactions

Q: What's worse than being in the middle of a coronavirus pandemic? A: Being in the middle of a coronavirus pandemic and having to read about synthetic organic chemistry. Yet, here we are, so pay attention.

Whether it's in the body or in a lab, chemical reactions are omnipresent; life depends on thousands of chemical reactions as do virtually all of the products that we use every day. 

Besides making wigs, or perhaps some rather bizarre clothing and artwork, there aren't a lot of practical uses for discarded human hair.