Fibrous Release · Rolling Scars · CityLink Mall
A rolling scar is not a hole in the skin. It is normal skin being held down from beneath by a band of fibrous tissue. Nothing applied to the surface can reach that band, which is why resurfacing a tethered scar improves the texture around it and leaves the depression exactly where it was.
Look at a rolling scar under raking light and pull the skin taut across it — if the depression vanishes, the surface is intact and something below is holding it down. That something is a fibrous band, formed when inflammation from a deep acne lesion extended into the subcutaneous plane and healed by binding the undersurface of the dermis to the fascia beneath it. The skin above the band is ordinary skin. It is simply not free to sit where it should, and the shallow saucer-shaped depression is the result of traction rather than of loss.
This is why the geometry is so characteristic. Rolling scars have no defined edge — they are broad, soft-shouldered undulations several millimetres across, and they become more obvious when you smile or when light comes from the side. An ice-pick scar has a wall and a floor. A rolling scar has neither. It is a surface being pulled, and the eye reads the shadow of that pull as a defect.
Subcision addresses it directly. A small entry point is made at the edge of the scar and a blunt cannula, or a needle with a cutting tip, is introduced in the plane beneath the dermis. It is then advanced and swept in a fan, and the fibrous bands are severed mechanically as the instrument passes through them. There is a tactile change when a band releases — the instrument stops catching, and the skin above visibly lifts. That release is the therapeutic act. It is mechanical, it is immediate, and there is no non-mechanical route to it.
A second effect follows from the first. Cutting the bands creates a space beneath the scar and a small controlled bleed within it. That haematoma organises, fibroblasts move into the dead space, and new collagen is laid down where the tether used to be. Done well, this fills the plane with tissue that supports the released skin rather than re-anchoring it. Done crudely, with excessive trauma over too wide an area, the same process can produce a firm nodule or re-tethering — which is the reason technique, plane and extent matter more here than instrument choice.
Selection
One examination finding determines whether subcision is the right procedure, and it takes seconds. The skin around the depression is stretched between two fingers. What happens next sorts the scar into one of three categories, and each category has a different answer.
You cannot resurface a tether. If the skin is being held down from below, the band has to be cut — everything else is treatment aimed above the problem.
Sequencing
Order is not arbitrary in scar work. Releasing tethers first changes the contour of the face, and the resurfacing plan should be made against the contour that exists after release rather than before it. Resurfacing a tethered scar first wastes the session — the shadow returns as soon as the redness settles, because the band was never touched. Where both are needed, subcision generally comes first or occupies its own session, with fractional resurfacing scheduled once the bruising has fully resolved.
The recovery is honest and should be planned for. Bruising is not a complication of subcision; it is an expected consequence of cutting through vascular tissue, and it is usually substantial — often purple across the treated area for five to ten days, with swelling for the first two or three. Patients who cannot accommodate that should choose the timing deliberately. Tenderness settles within a week. Firmness in the treated plane for a few weeks is normal as the collagen deposit matures, and it softens.
Two to four sessions six to eight weeks apart is the usual expectation, because deep and long-standing bands rarely release completely in one pass, and because the collagen laid down after each session raises the floor a little further. Polynucleotide injection is sometimes used alongside to influence the quality of that repair, and collagen biostimulators may be placed in the released plane where the depression is broad and volume-deficient as well as tethered. What each face needs is decided by examination and stated before anything begins.
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