Common skin problem is a term that refers to a variety of skin conditions that are experienced by many people. ACNE is one of the most common skin problems, and it is characterized by red, inflamed pimples on the face, chest, back, or other areas of the body. ACNE can be caused by hormonal changes, bacteria, and other factors. It is important to treat ACNE properly in order to prevent scarring and other long-term damage to the skin.