Dermarolling Every Otherday Then Applying minoxidil Right After?

[Norwoodcemetary]

been dermarolling my temples /hairline the past 4 months every other day then applying minoxidil right after at night..alot of new vellous hairs sprouting.im also on finasteride 1.25 ed going on 3yrs..hair still looks the same...my question is..is there a propper way to dermaroll? how often? how deep? pls respond

 

[Alphalete]

hows it even possible to dermaroll that much? i did it once a week and it dried the hell out of my hair. what mm are u using?