Dermarolling: I've heard cases where it actually caused more scarring. My course of needling, done by a dermatologist, did not give me any improvement and I thought it made some of my scars worse. I do have deeper ice pick, box car type of scars.
Needling by a dermatologist is also not as cheap as they clam. Average needling cost for a 5-course session cost about $2000 USD in Asia where as Fraxel Erbium can be had for $100 per session or package deals are available for 4 session for $300 USD. Fraxel CO2 now cost about $300 - $500 USD here in Asia.
I would suggest people who are considering needling to ask as many dermatologist in real life as possible. Do listen to the experiences of people online but do NOT base your decision on he say/she said or that ONE publication from South Africa dermarolling companies have been toting for years - consider the thousands of publications on effectiveness of various lasers and even TCA and subcision.
There is no one true solution for all types of scars, but there are solutions and combination of solutions that maybe most effective for certain type of scars.
I believe that needling does not help deep scarring. I also believe that an aggressive TCA session or CO2 Fraxel will give much better result than needling.
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Posted to Dermaroller for acne scars? on 21 May 2010