Acne is skin related disease which is seen normally in youngsters. Because of this problem people have to face lots of problem like you feel odd and hesitated. This disease makes your face ugly. Because of this pimple creates at your skin and you feel hesitate and odd to go in party or any occasion. This is also not good for health because you have lots of pain also due to this disease. Really its experience is not good for life.
There are lots of causes of Acne. We know a process of creating pimple. People get a spot of pimples before 2-3 weeks approximately. This is a final stage of acne. This process starts with sebaceous hair follicles which are also known as pores. In this disease people body sebaceous creates sebum with follicle. Sebum is oil which keeps your skin pliable and moist. In this way with the renewing of your skin your old cells die and mix with your skin’s natural oils, and create this problem.
This is not one process and it may be different for anyone. In this process sebaceous gets sticky and convert into bunch and it collects bacteria and traps oil inside the follicle.
Reference - acne blemish control