Some of the lighter acne marks may not require special treatment and will slowly fade and lighten with the skin’s metabolism until they disappear, but they may take longer. There are also some acne marks that are difficult to fade and need to be treated. The actual black pimple marks generally include black pimple marks, red pimple marks, concave pimple marks, and hyperplastic convex scars, etc. Depending on the type of pimple marks, the treatment often differs. 1. black pimple marks: black pimple marks are pigment deposits after acne inflammation, making the skin appear as temporary pseudo-scars, and not real scars. Black acne marks may slowly disappear on their own with time, and can be treated with oral vitamin C with topical azelaic acid cream under the guidance of a doctor; 2. Red acne marks: red acne marks are due to the expansion of blood vessels caused by cell inflammation, and the blood vessels do not shrink down immediately after the acne goes down, thus forming a flat, red temporary red spot. It will be more red when the skin temperature rises or movement, this red spot will generally gradually recede within six months. After the appearance of acne marks, patients need to actively protect themselves from the sun, so as not to aggravate pigmentation by ultraviolet radiation. Clinically, they can be treated with levitra, arbutin, etc. Strong pulse light treatment is also available, but it usually takes several treatments to recover; 3. Hollow scars: When the acne inflammation is serious and the collagen of the dermis is injured, there is a possibility that hollows will be left due to the collapse of the dermis. Many acne patients like to use their hands to squeeze acne, if squeezed improperly, will greatly increase the chances of septic infection, and then leave a concave scar. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. It will slowly grow due to scratching or external stimulation. It is the most difficult to treat and is prone to recurrence. It is usually treated with medical methods, such as fractional laser, and can be prevented or improved in daily life by maintaining good work and rest habits, drinking more water and exercising, paying attention to a balanced diet, and avoiding snacks or drinks.