As a dermatologist, my priority is the safety and comfort of my patients. That means I'm always on the lookout for new technologies and techniques that provide a more comfortable treatment experience.

Sponsored by Anita Mandal, M.D. Question: I’ve heard of a few doctors using cannulas for injection of fillers instead of needles. What are the benefits of cannulas and do they hurt more than needles?

PHILADELPHIA (WPVI) -- For years, fillers have been a mainstay of cosmetic improvement, but they do a lot more than smooth out wrinkles or plump cheeks. Nurse injectors are now using them to ...