Breast augmentation, also referred to as augmentation mammoplasty, involves using implants and/or fat transfer to increase the size of the breasts. As fat transfer has been covered in a previous article in this series, this piece will focus solely on breast augmentation using implants. This procedure can also restore volume lost after weight reduction or pregnancy, achieve a perter shape or improve natural breast size asymmetry. The science of breast augmentation has changed dramatically over the past 5 years—Olivier Branford provides an overview of what is involved in the procedure