Medical CosmeticAcne may leave red marks behind. These marks will diminish with time but there are means to hasten the progress. Applying whitening cream is effective in improving acne marks over two to three months. For laser treatment, 60-70% improvements can be achieved after 2 to 3 sessions. Chemical peeling can also help but it is now less popular.
Keloid is an overgrown scar extending beyond the original wound in all dimensions. Avoidance of skin injury (e.g. proper treatment of acne) is the most vital thing to avoid keloid formation. Treatment modalities for keloids include direct steroid injection to keloid scar and cryotherapy. Steroid can "dissolve" the excessive scar tissue over the next 2-4 weeks. However, since it is related to inborn problem, recurrence is possible one to two year after injection. Cryotherapy applies very cold liquid to chill and damage scar tissue. Finally, topical silicon is also effective but should start as early as possible in a lengthy manner.
If acne is not properly treated, loss of collagen may occur leaving behind hole-like defects. Unfortunately, both topical and oral medications are vain in scar management. Skin resurfacing by fractional Erbium Yag laser is a much better option. It works by removing old scar tissues, heating up existing collagen and inducing new collagen formation. Short recovery time is a merit of this fractional laser technique. 60-70% of improvement can be expected after 3 or more sessions.
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