They are devices used in the process of skin needling. This is also referred as micro needling or collagen induction therapy.
The actual dermaroller is made up of a small solid wheel attached to a little stick that propels it backwards and forwards across your face/scalp in small sections. The numerous tiny needles penetrate skin to a depth of up to 2mm (depending upon the needle length).
Most patients describe procedure as “uncomfortable” but not painful. Topical local aesthetic creams are applied to make procedure comfortable.
Usually 2-5 sessions are required for the optimal result. Face, Hands, Neck, Back, Chest and Scalp can be treated. Generally you will experience some redness of the skin for few hours after procedure.
Patients with acne scaring, fine lines, those who are looking to improve skin texture and tightness. It can be done on all skin types from light to dark.