It is best to use Yangshengtang hydrating cream twice a day, before going to bed in the morning and at night. Because the instructions for the use of Yangshengtang hydrating cream show that Yangshengtang hydrating cream can be used twice a day, once in the morning and once in the evening. The hydrating cream has the function of hydrating and locking water. After being applied to the face, the skin will become fresh and moist. Before using hydrating cream, clean your face, then use lotion and apply Yangshengtang hydrating cream. Therefore, it is best to use Yangshengtang hydrating cream twice a day.