12 hour. According to the inquiry on the business hours of Chengdu Miskalun Beauty School, it is known that the business hours of Chengdu Miskalun Beauty School are from 09: 00 to 23: 00 from Monday to Sunday, with a daily 12 hour, and it is closed on legal holidays. Chengdu Misscullen International Beauty Training College was established on 20 14, and now has 30+ nail and eyelash outlets, all of which are located in the commercial complex.