Historical cosmetic and preclinical data suggest that topical copper peptides may improve hair shaft diameter and reduce shedding, yet controlled, large-scale clinical trials are sparse
Once inflammation subsides, re-epithelialization begins, typically around 23 days after injury, as fibroblasts infiltrate the wound site, initiating collagen and extracellular matrix (ECM) deposition to create a scaffold for tissue repair
Some people notice improvements within a few weeks, while others may require several months of consistent treatment
In the context of cell growth and differentiation, zinc-containing enzymes may regulate the expression of genes encoding growth factors, cytokines, and cell cycle regulators
Stroke 29 , 830836 (1998)