1. Pay any outstanding fees.
2. Complete continuing education requirements.
3. Pass the cosmetology licensing exam again.
To teach cosmetology, you will typically need to have a cosmetology license and additional teaching credentials. The specific requirements for teaching cosmetology vary from state to state, so you will need to contact the state board of cosmetology in the state where you wish to teach to learn more.
You can find copies of state laws related to cosmetology by searching online for the state board of cosmetology website. You can also contact the state board directly to request a copy of the laws.