This illustrated step-by-step guide describes the application of percutaneous collagen induction, also known as medical needling. Using impressive case histories, anatomical illustrations, and scientific data, the authors demonstrate the efficacy of the method in rejuvenating scars, lines, sagging skin, and stretch marks. Chapters cover the basics of the technique and indications for its use as well as each stage of treatment and patient management. The go-to book for dermatologists, plastic surgeons, physicians, and cosmetics technicians interested in this highly effective, noninvasive method for scar treatment and skin rejuvenation.