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But they're the closest thing skincare has to a biological hack - working with your body's natural processes to improve skin from the inside out

Kamen DL, Cooper GS, et al

You can get research-grade peptides without a prescription, but unless you mean to conduct your own in vitro experiments, you should leave them alone

The peptide's natural occurrence in the body, well-established safety profile from decades of topical use and clinical research, and remarkable breadth of beneficial biological effects make it a compelling example of a naturally derived regenerative peptide with both proven cosmetic applications and ongoing exploration of broader therapeutic potential