[Henrietta]

"Oh, be sure you're getting enough copper in your diet and a cup of bleach down the drain once a week."

Does copper stop or retard the shedding of hair?

[Desdemona]

Does copper stop or retard the shedding of hair?

Thinning hair is a sign of not enough copper in the diet. But too much copper causes it to fall out too. Cashews have lots of copper as does meat.