To find bits of embedded dust far smaller than the thickness of a hair, scientists would need a collecting material that was transparent. (discovermagazine.com)
The current publication presents an MZM only 12.5 micrometers long, which is roughly one tenth the thickness of a hair. (sciencedaily.com)
You may need less or more rinse depending on the length and thickness of your hair. (wellnessmama.com)