Develop a comprehensive understanding of Cosmetology including advanced techniques to deliver a variety of hair styling, skin care, and nail treatments. Complete a 1500-hour Cosmetology program required for the Ohio State Board of Cosmetology Advanced License. Complete a 300-hour course required for the Ohio State Board of Cosmetology Advanced License (Sentinel campus). Learn general salon management and operation techniques. Gain salon/customer experience in a full-service salon. Consider these qualities and skills you should possess: Creativity, customer-service, time-management, and enjoy working with others.