L-cysteine is one of the ingredients.
Sometimes constructed in a lab, but often they dissolve human hair in acid to extract it.
includes chicken feathers, duck feathers, cow horns and petroleum byproducts.
Supposedly gives the bread the natural puffiness it should have.
That "puffiness isn't there because of all the preservatives in it.
So what do they do when the bread isn't puffy anymore because of the crap thats in it? They add chicken feathers and human hair!