Want to try Dermaroller...which type you are using.

[Saurabhaj]

I want to try dermaroller,what length needle size,number is best working for you,

 

[massa]

I use 2mm. You should aim to draw blood. A dermastamp will be more effective than a roller.

 

[Wolf Pack]

http://www.hairlosstalk.com/interac...w-Dermaroller-Study-Thoughts-comments/page507

Thread locked, see the link OP.