Friends and readers of the Strategist frequently ask me questions about the derma roller — a device shaped like a quartz roller, with a head covered in hundreds of teeny-tiny — yet still somehow ...

Derma rolling, also known as micro-needling, is a procedure that involves a small tool with, you guessed it, needles that you roll on your face. The technique has been used for a while to, among other ...

If you use (or are interested in using) a derma roller, that means you're ready to completely overhaul your skin. These at-home devices, which work by stimulating your skin to regenerate itself, are ...