Need A License To Shampoo Hair For Pay? Michigan Says ‘Yes’ [Michigan Capitol Confidential]:
"The state of Michigan issued a cease-and-desist order to a Garden City hair braiding shop last year because the owner didn’t have a license to shampoo hair.
Michigan law requires establishments that provide various haircare services such as hair cleansing to have a state-issued cosmetology license, which takes 1,500 hours of training, hundreds of dollars and an exam.
Licenses for braiding hair are optional.
Paul Avelar, an attorney for the nonprofit law firm Institute for Justice who represents hair braiders nationwide, said occupational licenses like the one required for shampooing are often abused by licensed businesses to fight competition.
...Barbee said in a letter to the state that Ntcharba Chabi, the owner of Blanca's Braids, shouldn’t be able to operate her hair-braiding shop without a cosmetology license because her business had a shampoo bowl..."