Acne sufferers have been found to be missing zinc in their diet. My son improved his skin by taking 22 mg. of zinc gluconate three times a day for a week, then added one 22 mg. tablet of zinc gluconate week by week until he saw improvement. You can also Google to find which foods are rich in inc gluconate. Here's a start -- "The richest sources of zinc include red meats, poultry, cheese and shellfish." Read more about zinc gluconate:
Zinc Gluconate Overdose | LIVESTRONG.COM
Try this for a month and then reassess the situation.
Meanwhile, use other tips posted on this thread as to keeping your face clean.