This is a form of acne that are believed to form as a result of hormonal changes which causes an increase in
skin oil. The dead
skin,
oil, and bacterial become trapped in the pores under the skin. They can occur anywhere but generally are seen on the above mentioned areas.
Things that may help eliminate the problem:
Products such as Pro Active, Salicylic acid, Clear pores, Herbal, Benzoyl peroxide, Retin-A etc.