The use of nanotechnology in medicine and dermatology is too broad to be covered in its entirety. This review is by no means comprehensive and covers only a small subset of applications of nanotechnology in cosmetic dermatology. It is hoped that readers will get a sense of the promises and challenges of nanotechnology, as well as future applications and safety concerns. The bulk of this review is devoted to cosmetic products for the face. A smaller portion touches on some of the uses of nanotechnology for specific body parts or for treatment of specific conditions.