Macules and Scars:
Before I jump into the topic of scars, I need to clarify the difference between Macules and Scars. Macules may look like scars, but they are not scars in the sense that a permanent change has occurred. Macules are essentially the final stage of most inflamed acne lesions. They are normally flat, reddish spots that can remain for up to 8 months. But the difference between a Macule and a scar is that a Macule will end up disappearing completely whereas a scar will remain for years or indefinitely.
As for scars, this can also vary from person to person. With some individuals, scars may remain for a lifetime without change but with others, their skin will undergo a form of remodeling that will eventually diminish the scar.
Another factor that needs to be evaluated is the human element of scarring. People simply have different feelings about acne scars. Those who are distressed about their acne scars are much more likely to actively seek out treatment to moderate or remove the scar than those who are more indifferent about the scars.
Cause of Scars:
Let us first gain a better understanding of acne scars by first determining the...