1-7 Published: June 1, 2025 1 School of Medicine, University of Miami Miller, Miami, FL 2 David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA 3 Mohawk Valley Health System, Utica, NY 4 Sylvester Comprehensive Cancer Center, University of Miami Health System, Miami, FL 5 University of Texas MD Anderson Cancer Center, Houston, TX 6 Massachusetts General Hospital, Boston, MA 7 Cleveland Clinic, Taussig Cancer Institute, Cleveland, OH * Corresponding author: Stuart E
Rizzo, M., & Cicero, A
S., Jenq, S
Last spring, a 42-year-old esthetician in Scottsdale named Rachel told me she'd been rubbing a 2% GHK-Cu serum on her face for three months and loved what it did for her texture, but her functional medicine provider also wanted her on subcutaneous injections for broader tissue support after a knee surgery