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.

Along with simple shortenings such as n. or num., one of the more curious methods is the number sign or hash symbol, #. And as that symbol gradually simplified and merged together over time, our ...

Christy Bieber has a JD from UCLA School of Law and began her career as a college instructor and textbook author. She has been writing full time for over a decade with a focus on making financial and ...