glasgowcyclist
Charming but somewhat feckless
- Location
- Scotland
The common bread ingredient L-cysteine, is derived from human hair.
It's highly unlikely that you would find human hair to be the source as it's specifically forbidden as a source by European food legislation. While it *can* be derived from human hair, it's also available from the feathers of ducks, geese and chickens or can be made synthetically.
Producers of industrialised supermarket bread use it to speed up rising times so they can churn out more loaves in a shorter time, you won't find it in homemade bread. Just another good reason to bake your own!