Collagen breaks down over time, and the treatment may have to be repeated periodically. Cultured autologous fibroblasts are living cells that the dermatologist injects under the patient s skin. These cells, taken from other parts of the patient s body, are grown in a laboratory culture until there are enough of them for the procedure. Once in place, they build up under the scars and raise them to the surface. Each area is injected once every 2 weeks for a total of three injections.
Many patients experience long-term improvement.
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