Final answer:
To become a cosmetology teacher, one typically needs a valid cosmetology license, relevant experience, and may need to pass a cosmetology education exam, although exact requirements may vary by state.
Step-by-step explanation:
To become a cosmetology teacher, the most common requirements include having a valid cosmetology license, acquiring a certain amount of experience as a cosmetologist, and sometimes passing a specialized teacher's training program or examination specific to the field of cosmetology education. While some states or institutions may require additional credentials such as a bachelor's degree or a certain number of years of experience, it typically revolves around having extensive knowledge and skills in cosmetology, as well as the ability to teach those skills to others. State regulations vary, so it is essential to check with the local state board of cosmetology to understand the exact requirements.