Platelet-rich Plasma, Collagen Peptides, and Stem Cells for Cutaneous Rejuvenation.

In recent years, platelet-rich plasma (PRP), collagen peptides, and stem cells have become popular treatments for cutaneous rejuvenation. Mass marketing to consumers via the internet and social media has attracted the attention of the aesthetics industry to these treatments. However, the studies behind these treatment modalities have not supported the often exaggerated claims of effectiveness that have targeted consumers. It is important for clinicians to understand the evidence behind any new trends, especially in the fast-paced world of aesthetics, where treatments often outpace current medical understanding. Here, we summarize and evaluate the current prominent literature on these popular aesthetic treatments.