International Journal of Dairy Technology, 71 (1), 4450
Scanning electron microscopy analysis reveals that hairs from GHK-Cu-treated models show more regular cuticle structure, increased cortical density, and improved overall fiber integrity
The main trade-off is cosmetic
Once you begin using a pen or vial, it can be stored at room temperature (up to 86F/30C) for up to 28 days, though refrigeration is still preferred to extend shelf life
To further confirm the findings, the team used a spatial metabolomics technique that allowed them to visualize the distribution of glutathione directly within lung tissues
J Physiol Paris 95:315324 Chang CH, Tsai WC, Hsu YH, Pang JH (2014) Pentadecapeptide BPC 157 enhances the growth hormone receptor expression in tendon fibroblasts