Acne Scarring
A detailed and comprehensive discussion of acne scars starts with causes of scarring, prevention of scarring, types of scars, and treatments for scars.
Before talking about scars, a word about spots that may look like scars but are not scars in the sense that a permanent change has occurred. Even though they are not true scars and disappear in time, they are visible and can cause embarrassment.
Macules or “pseudo-scars” are flat, red or reddish spots that are the final stage of most inflamed acne lesions. After an inflamed acne lesion flattens, a macule may remain to “mark the spot” for up to 6 months. When the macule eventually disappears, no trace of it will remainunlike a scar.
Post-inflammatory pigmentation is discoloration of the skin at the site of a healed or healing inflamed acne lesion. It occurs more frequently in darker-skinned people, but occasionally is seen in people with white skin. Early treatment by a dermatologist may minimize the development of post-inflammatory pigmentation. Some post-inflammatory pigmentation may persist for up to 18 months, especially with excessive sun exposure. Chemical...