Sunken scars happen because of a loss of skin structure resulting from damage to collagen and other tissue ‘building blocks’. The injections – of collagen or of artificial ingredients – are used to bulk up the skin under the scar and make it look flat. They can work quite well but are not permanent and [...]
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The darker your skin, the more common keloid acne scars are, and they are difficult to treat. You probably only have two options. An injection of steroid into the scar itself can help. It must be done by a doctor with experience of doing this, as it can cause a depressed pale scar if overdone. [...]
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