Acne is related to diet and hygiene, not nofap. Try practising good hygiene (daily showers, frequently wash your hands, use acne products if you have to, try to avoid touching your face) and limiting junk food.
I had this acne problem from last 10 years.
I had visited multiple doctors.. both allopathic and homeopathic.. but after some time it all went to same state.
Recently I visited a doc and she gave me some antibiotics and after a week they made my condition worse. but finally I got the solution.
Just 3 things you need to do.
1. Stop consuming all dairy products (specially milk and ice-cream). Curd/yougurt is good for skin though.
2. Drink more water everyday.
3. Wash face twice a day and apply some cream/sunscreen (depending on your skin type).
Your calcium intake will reduce so take some calcium and zinc supplements.
i had acne too for too many years,i overcome the problem with acnotren pills for six months.but be carefull this treatment needs a lot of discipline . So i think NoFap put you back in tracks. Try to visit a doctor to guide you.