Subcision is used to treat depressed acne scarring. Subcision, as opposed to microdermabrasion, which removes scars by abrading them away, reduces the appearance of scarring from beneath the skin's surface. Dermal fillers are another option for treating skin indentations caused by previous acne, but the effects are only temporary.
Individual scars will be treated during the procedure with a tiny hypodermic needle inserted into the skin. The needle will be moved back and forth in a fanning pattern to cut away at the fibrotic scar tissue with its sharp edges. These cuts effectively free the scar's tethers from the underlying tissue. This release improves the previously depressed skin and will continue to do so as the wound healing cascade stimulates additional collagen production. If a large number of scars must be treated, the treatment will be divided into several sessions.
Subcision improves the appearance of depressed acne scars by removing the fibrotic tissue that pulls the skin down and causes the indentation.
It is normal to experience swelling for up to 2-3 days after a subcision treatment, as well as bruising for 7-10 days. For pain relief, ice packs and over-the-counter pain relievers can be used. Your dermatologist may also prescribe antibiotics and anti-infammatory medications.
Subcision is best suited for people who have "rolling scars" (distensible, depressed scars with gently sloping edges) or tethered acne scars.
Subcision is not advised for patients who have a history of hypertrophic or keloid scarring or who have blood clotting disorders.
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