The effect of the exercises appears after 2 weeks. And it will take from 2 to 4 months to consolidate the result. And even if for some reason you take a break for 1-2 months, the result will remain. But if you quit classes altogether, then everything will return to the original stage. But there will be no deterioration after classes. Yet, there have been cases that some of the problems with the face were solved forever, even if people did not support the classes.