Ohio Rev. Code Ann. § 4713.14
No person shall do any of the following:
(B) Aid or abet any person:
(C) Practice a branch of cosmetology, for pay, free, or otherwise, without one of the following authorizing the practice of that branch of cosmetology:
(D) Employ a person to practice a branch of cosmetology if the person does not hold one of the following authorizing the practice of that branch of cosmetology:
(F) Except for apprentice instructors and as provided in section 4713.45 of the Revised Code, teach the theory or practice of a branch of cosmetology at a school of cosmetology without either of the following authorizing the teaching of that branch of cosmetology:
(G) Advertise or operate a glamour photography service in which a branch of cosmetology is practiced unless the person practicing the branch of cosmetology holds either of the following authorizing the practice of that branch of cosmetology:
(L) Teach a branch of cosmetology at a salon, unless the person receiving the instruction holds either of the following authorizing the practice of that branch of cosmetology:
(N) At a salon or school of cosmetology, do either of the following: