Not sure about growth on the bald temples (I definitely see dozens of unpigmented small weak hairs there, but it looks like they are dead anyways), but I can confirm the thickening of existing hair. It just looks and feels better. I'm really not that hyped for any treatment and ended up being...
Interesting thread, kinda enjoying all the positive results. I wonder if you could actually improve results with copper peptides. There was a time where copper peptides were a - kind of - promising treatment. Maybe give it a go in combination with needling? Who knows...