Gerenally speaking, it needs 9-10 times, at least. In the first week, you can use it every day, 15-20 minutes Reduces the overall redness, flushing and dilated capillaries of Rosacea and improves the recovery from these common chronic facial disorders. per day, perticularly sloving skin problems. After that, 1-2 times per week and 10-15 minutes per time. Use it regularly, it is helpful for skin rejuvenation.