Naturally, skin renew itself periodically. However, sometimes the process of exfoliate of dead skin cells leaving the closed pores to cause acne. Other causes of acne are hormonal changes of puberty or menstruation and stress.
Acne that penetrate into the epidermis layer usually leave a mark, and need times to be healed. Sometimes,the acne scar can not be removed. However, there are several ways to remove acne medically: (more…)