Basically, there are two types of acne scars. Raised scars are the result of increased tissue formation. Depressed, or pitted, scars are the opposite: They indent the skin and are the result of tissue loss.
Acne scars are the marks left behind long after the acne has resolved. Many patients get confused when they develop dark marks or spots thinking these are acne scars. These marks called post-inflammatory hyperpigmentation are not scars and can be treated with topical skin lighteners. True acne scars are depressions, pits or in some cases raised scars called keloids. Acne scars are usually the result of severe forms of cystic acne but can be seen in milder cases. Picking pimples is a major cause of acne scars and should be avoided. The good news is that there effective treatments for acne scars. Depressed or pitted scars can be treated with dermal fillers and lasers. Raised keloid type scars are difficult to treat but may respond to injections of dilute cortisone placed into the scar tissue. The best way to prevent acne scars is to get your acne treated sooner rather than later.
Those open indentations are called patulous or atrophic scars, and there are ice pick scars that look like tiny indented slivers on the skin. Hypertrophic scars are raised and sometimes red, keloid scars are even larger bulky bumps of abnormal tissue. Papular scars are white bumps, and they are difficult to get rid of. And there are brown spots, or Post-inflammatory hyperpigmentation, which is common in darker skin.
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Simple Skin Beauty: Every Woman's Guide to a Lifetime of Healthy, Gorgeous Skin
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.