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Cosmetic Micro-Needling Skin Therapy for Atrophic Facial Scars: Derma Rolling vs Dermapen Clinical Study

"Patients treated with the Dermapen unanimously felt that the procedure was much less painful than derma rolling and the downtime was significantly shorter with the Dermapen. Subjectively, patients treated with the Dermapen felt that their acne scarring had improved to a greater extent than patients with the derma rolling. Visioscan data showed significantly greater reduction of depth of scars using the Dermapen compared to derma rolling."

Professor Tony Chu, FRCP, Dermatology Department, Imperial College, Hammersmith Hospital, London, UK



Dermapen releases open clinical study of treatment of Atrophic Acne Scars Comparing Derma Rolling vs Dermapen and a 3D animation video showing the comparison between Derma Rolling and Dermapen Microneedling Device.

Treatment OF ATROPHIC ACNE SCARRING – DERMA ROLLING VS DERMAPEN
Professor Tony Chu, FRCP, Dermatology Department, Imperial College, Hammersmith Hospital, London, UK


Background
Percutaneous collagen induction has been used for some years in the treatment of atrophic acne scarring. It is most successful in rolling scars but will have some impact on box scarring. The most successful technique used to date is Derma rollering. This is a mechanical device which incorporates surgical steel micro-needles in a wheel which is rolled up and down the affected area. Needle length is generally 1.5mm and the skin is treated four times in three different directions. We have used this technique in our clinics for the last 4 years, treating over a 1000 patients. The results have been extremely good to date. The procedure is, however, painful and leaves the patient very red for 4 days after the procedure. The new Dermapen uses the same principal but rather than using a rolling action, the Dermapen moves the needles in and out at a rate of about 1000 times per second. This avoids the rolling injury to the skin that can occur with derma rolling.

Method
This was an open comparative study of derma rolling and Dermapen in 60 patients with atrophic acne scarring to compare ease of use, patient preference and efficiency. Patients were randomized to receive either derma rolling or Dermapen. All patients had had one previous treatment with derma rolling. All had predominantly rolling scars and none had active acne. Procedures were conducted by 3 dermatologists. Patients and dermatologists filled in a questionnaire about the ease of use and discomfort experience and length of down time. Depth of selected scars was measured using the Visioscan VC98 before and 3 months after treatment.

Conclusion
Treatment of acne scarring has been significantly advanced with the introduction of derma rolling. The new Dermapen, however, has a number of advantages. The disposable needle heads are more cost-effective than derma rolling. Patients felt that the Dermapen was much less painful and had shorter downtime than the derma rolling. Dermatologists felt it was easier to use and enabled sites such as the upper lip and nose to be treated with ease. The Dermapen also showed significantly superior reduction in scar depth after a single treatment with an average of 29% reduction with the derma roller compared to 42% average with the Dermapen.

Professor Tony Chu, FRCP
Department of Dermatology
Imperial College
Hammersmith Hospital
DuCane Road
London W12 0HS, UK