Also, isn't subcision only temporary? If the skin becomes saggy as it ages and loses collagen, wont the old scars that had subcision "reappear"?
Can Subcision Be Performed on a Scar at the Same Time That It is Excised?
Doctor Answers 1
Subcision and excision
If a scar was going to be excised, there would be no need to subcise it first. One or the other procedure would be done to treat a scar.
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