The wearing effect is the best for the first 100 days, and the overall effect increases according to the increase of duration such as 200 days, 300 days... Wearing of about 100 per days and at least 60 minutes a day is the basic recommendation: extended use is all right if you feel like, until you see a satisfactory effect.
It takes longer to correct the cheekbones than other areas, so please continue to use it steadily longer than 100 days to be able to achieve gradual improvement.
Persistent and repetitive wear is critical because the correction effect varies a lot depending on the state of your facial skeleton and on how steadily you wear the HEADrang.