I remember my mom studying for her cosmetology licensing exam when I was a kid. Lots of questions pertained to safe dilution and mixture of the various chemicals hairdressers regularly use. Others had to do with hygiene and sanitation of implements like razors. Seems pretty important to me.
Athene_cunicularia23 t1_ja088f9 wrote
Reply to comment by psychicpilot in For marginal occupations licensed by U.S. states, the welfare costs of licensing exceeds the benefits, as workers have to expend resources to obtain the license and consumers pay higher prices. [The study looks at professions that require license in some states but not others]. by smurfyjenkins
I remember my mom studying for her cosmetology licensing exam when I was a kid. Lots of questions pertained to safe dilution and mixture of the various chemicals hairdressers regularly use. Others had to do with hygiene and sanitation of implements like razors. Seems pretty important to me.