Cystic acne. What to use to get rid of

Hello I'm a working woman. Live alone in Mumbai, far from home. I have rotational shifts as (morning,day and night ). So I don't have a proper routine or cycle. Recently I came to my hometown and it's about to be almost 1 month here. I saw general physician, he gave full body test and check up. My reports r completely fine and normal except  vitamin D deficiency and a small functional cyst in my right ovary which my doctor said it's very common n normal in women and go away after 2-3 periods automatically. I dont get periods on time from last 7 months. Once it got delayed till 21 days even. But only once. Unless that the interval is 6 days or more than that maybe. I never trimmed my facial hair as I dont get humorous hair on face but still just to try I used flawless trimmer for women once n since then I'm getting cystic acne all over the places I used the trimmer. Especially on my jawlines and smile lines. I was having a bit issues with depression, stress, anxiety and fatigue as well.