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I see that some of you guys are recommending the Dermaroller and Dermastamp in order to treat rolling scars (pock marks).
In order to elevate the skin back to "level" again (flat, in other words) the tethers that tack down the scar need to be severed between layers. The tethers are what cause the skin to crater (pock mark).
Please explain how a Dermaroller or Dermastamp will release the tethers so that the skin will lay flat again. I don't see how it's possible, unless the scars are extremely shallow to begin with.
Similarly, people who are doing single needle treatments. Just jabbing a needle into a rolling scar will accomplish very little, it seems to me. I don't see how that will sever the tethers. (And it seems to me a little bit like trying to do your own dental surgery... I honestly don't believe that most people are capable of performing an effective subcision on themselves, but that's a discussion for another thread).
Please explain why Dermastamping and Dermarolling are being recommended for rolling scars? How does rolling/stamping cut the connecting bonds of a rolling scar?
My English is not good, but I'll try to summarize the theory behind skin needling (dermaroller, dermastamp, single needles, dry tattoo, dermapen). The controlled injury caused by the needles stimulates the body to produce and release a number of biochemical substances in order to repair the damage, so collagen and elastin are produced in the process, resulting in a more organized skin after some months. So scars, wrinkles, marks, hypopigmentation and any kind of blemishes should be improved. The damaged caused by the needling is substancial, but it is widely spread, and no scar tissue is formed. When the micro channels are produced by the needles, the immediate usage of any topical (vitamin A, C, copper peptides) increase their penetration. These topicals, and many others, also interfere in the remodelling of the skin, as it heals, filling in the craters, producing a smooth skin.
The exact process nobody knows, actually, and I'm yet to see a comprehensive study about skin needling, with before and after pictures and objective results, but I know from personal experience that is works. It is not a miracle treatment, but it helps, at least for shallow scars.
It is like a second chance for the skin to heal from the acne, this time properly, with normal skin instead of scar tissue. People then give the skin what it needs for a good healing, like suplements, vitamins and even light (leds) in an attempt to repair the scars during this second healing.
Many people have reported significant improvement over the years. I regret I didn't board this boat back in 2002, when it first became popular here on acne.org. It's a slow treatment but I'm sure it works in the long run.