In the broadest sense, “no poo” means no shampoo. It’s a philosophy and method of cleaning your hair without traditional shampoo. People are attracted to the no-poo method for a number of reasons.

Ryan Eichler holds a B.S.B.A with a concentration in Finance from Boston University. He has held positions in, and has deep experience with, expense auditing, personal finance, real estate, as well as ...