I think you sent me an email about two weeks ago saying that needling did not help much your scar left after a mole removal.. I have answered you but I have never received your reply. I will paste my email to you:
Sorry to hear about your experience.
Is or was your scar raised or indented? Would it be possible for you to send me a photo?
I have only heard of needling making the scar larger in connection with needling deep icepick acne scars. When you needle the fibrotic walls of icepick scars, the wall will break down and make the scar larger but shallower and softer. Then you have to continue to fill up the scar more.
There is no other way how to treat icepick acne scars than breaking them down.
A mole removal scar however is not comparable to an icepick acne scar in any way and while needling might not help, it should certainly not make the mole scar worse. A scar can never completely disappear - it can only soften and become shallower.
Here is a photo of a vaccination scar that softened after needling: http://www.owndoc.com/stretchmarks/dermarolling-before-and-after-photos-from-our-customers/
A vaccination scar is much easier to improve than a mole scar because to remove a mole, the skin must have been cut all the way through.
If you could send me a photo, it would really help.