In the dry autumn and winter seasons, since the skin loses moisture faster, the frequency of use can be appropriately increased, such as 2 - 3 times a week, and the amount of application can be appropriately increased when applying to enhance the moisturizing and nourishing effects of the skin. In the relatively humid spring and summer seasons, the frequency of use can be appropriately reduced according to the actual condition of the skin, 1 - 2 times a week is enough to avoid the skin being too greasy. In terms of usage method, in summer, you can choose to use it at night to reduce the discomfort caused by excessive skin oil secretion during the day.