how many hours is a cosmetology license
1 Cosmetologist â 1500 hours or 3000 apprenticeship hours. 2  Esthetician â 1500 hours or 3000 apprenticeship hours. 3  Nail Technician â 750 hours or 1200 apprenticeship hours.  Instructor â 1563 hours, unless you have a managerâs license, then itâs 650 hours. You have to be licensed for one year to receive a managerâs license.