Acne is characterized by the appearance of inflammations on the following parts of the body: the face, the neck, the chest, the back, and shoulders. Acne could appear in many forms. Sequels are formed on the surface of the face, which are usually depressed and thickened. Areas in the body with good blood circulation can heal much faster. For many people, acne scars are a real problem, appearing as deep, red lesions on the face, neck, and back. Depending on the depth and severity of the scar, you might be able to.