is topical ghk cu legal GHK-Cu for Anti-Aging: Does This Copper Peptide Really Work? GHK-Cu Peptides Before and After:

Front Plant Sci 5:566 Zechmann B, Muller M (2010) Subcellular compartmentation of glutathione in dicotyledonous plants

Testis-specific cytochrome c-null mice produce functional sperm but undergo early testicular atrophy

Volkow N, Fowler J, Wang G, Baler R, Telang F

GHK-Cu is being studied for its possible role in: Recovery signaling Tissue repair pathways Antioxidant defense Cellular resilience Inflammatory modulation Some regenerative medicine practitioners are exploring its use as part of broader healthy aging and recovery protocols

However, mild side effects such as digestive upset, nausea, and occasional skin reactions may occur, especially when beginning supplementation

It affects every cell in the body, but the most visible effect is on the skin