Retouching photos is as much an art as a skill, and portrait photographers must understand the proper way to retouch images, even if they prefer to have a retoucher do this work for them. Although there are a variety of ways to retouch an image, using frequency separation is the most common method and is considered one of the best. In this article and the accompanying video, I detail the process I use to retouch my headshots and portrait work.