As we know that Acne is the most commonly occurring skin problem which fades away the beautification of your skin and face. Generally it is believed by the Experts that the main cause of acne  is the increase in the level of androgen which is the kind of hormone. The level of Androgen increases at the time when you turn as an adolescent. Increasing the level of androgen hormones makes the oil glands more active, which usually grows beneath your skin and the increased gland makes more quantity of oil. The extra sebum may drop down the walls of cells inside the pores which give the way to bacteria to grow inside. According to some researches, they have found that Acne can even be the cause of genetic issue. Few medicines that include androgen hormone and the lithium can even cause acne. In case if you are using the Oily cosmetics that can also cause acne.  Change of Hormone at the time of pregnancy can also either start the problem of acne initially.