Acne is a common skin condition. It causes pimples, when the tiny hair follicles under the skin, they'll be blocked by the dead skin and oil that cause the bacteria to grow and irritate the skin. acne can be appeared on face, neck, back, chest, arms etc. Appearing acne usually starts from teenage and last till adulthood. there are several types of acne, like; Whitehead acne, Blackhead acne, Cystic acne and etc.
