ghk-cu naturally occurring in human plasma saliva urine Copper Peptide Troche — Skin, Collagen & Healthy Aging GHK-Cu 100 mg For Sale/
Description
doi: 10.1038/s41392-022-01194-6
Chemotherapy with stem cell transplant
After that, the preservative effect diminishes and contamination risk increases even with proper technique
Later, Aryal et al
Nature 547 , 173178 (2017)
