It is suggested to eat less and exercise more, have healthy living habits and eat less greasy things.
Also, don't use greasy skin care milk. Use neutral or refreshing skin care milk.
In fact, don't worry, regardless of it, the skin will be fine. I was only a year and a half ago, when I was still in high school, and now you are.
It's already 2 1, and adolescence is almost over. As long as the landlord doesn't work too hard, it will be fine soon.