If you have oily skin, it's definitely one of the things that help spread the acne because bacteria lives in that environment. There are a few causes of oily skin. The first one is hormonal. If your hormones are imbalanced, you will have oily skin. What happens is when you are eating foods that raise your hormones, your body will produce more oil, so the bacteria will spread quicker. Another reason could be stress-related. Stress increases your hormones as well and causes your skin to be more oily. The third reason for oily skin is diet.
Oily skin accumulates dirt and dead cells that clog pores. The appearances of wide, dark pores paired with oily skin are blackheads. Oily skin must be kept clean and treated with a mask once a week. Grapefruit juice is a natural astringent.
Oily skin is caused by your skin producing too much oil, often made worse by age or genetics. The teenage and young-adult years are often marred by oily skin, acne, breakouts and blackheads.