Dr. Nikita Rao

Also known as vitamin H or vitamin B7, biotin is widely being marketed as a solution for hair loss. It is this marketing message that is often misunderstood,

A ‘Dermaroller’ is a hand-held device with a cylindrical roller at one end made up of 24 circular arrays. Each of these arrays is covered with eight medical grade solid steel microneedles, adding up to a total of 192 needles. The length of each needle is 0.5 – 2mm along with a diameter of 0.1mm.