Hair is made of keratin, a protein held together by disulfide bonds. Strong bases (alkalis) break those bonds. That’s why you use lye (sodium hydroxide) or bleach.
Now go take a shower that actually drains. how to clear tub drain of hair
Hair strands are long polymers. They snag on the cross-shaped grate inside your drain. Each shower adds another strand. Soap acts as glue. Within 6 weeks, you have a dam. Hair is made of keratin, a protein held
Behind your tub’s overflow plate (the metal circle with two screws) lives the —a mechanical rod that moves the stopper up and down. That rod is a hair magnet. Hair is made of keratin