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Which is more effective for acne scarring dermaroller or dermapen?

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Dermaroller or Dermapen for acne scarring

There are many good scientific studies showing that medical micro-needling works well for acne scarring, however, I am not a fan of rollers as they create a more erratic pattern of "tears" through the skin rather than the clean, more evenly distributed punctures seen with the motorized micro-needling machines. In my office we have found the ProCell Therapies micro-needling machine to be the best of the motorized machines. We are also using the ProCell Therapies system which combines motorized micro-needling with human growth factor serum made from human stem cells to give the best results.

South Burlington Dermatologic Surgeon
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