.Blackheads usually takes too much time to disappear.Whiteheads - Contained beneath the top of skin, all the trapped natural oils, dead debris and micro organism are completely blocked on the pores.Pustules - Along with the appearance of your red circle by using a white or yellow centre, this version of acne is more frequently called Pimples or Zits.Nodules - A greater than other forms of pimples,