Ohio wants you to save money by making nanobricks that do not adsorb shampoo.
http://www.dispatch.com/content/stories/local/2016/06/27/ohio-state-nanotechnology-research-might-allow-use-of-liquid-soaps-till-last-drop.html
http://www.dispatch.com/content/stories/local/2016/06/27/ohio-state-nanotechnology-research-might-allow-use-of-liquid-soaps-till-last-drop.html