The board of cosmetology in Illinois can assist in helping you apply for a Illinois cosmetology license, renew your Illinois cosmetology license or find out the requirements for reciprocity in IL. Below we provide the contact information for the Illinois state board of cosmetology online or by phone number. This state board handles licenses for barber, cosmetologist, electrologist, esthetician, massage therapist and nail technician. For additional information on obtaining or renewing a state license, Illinois Cosmetology License.