glutathione iv results Injections Glutathione Injection Before and After:

For this reason, people who develop peripheral neuropathy, ataxia, or retinitis pigmentosa should be screened for vitamin E deficiency (58)

Copper peptide GHK-Cu provides additional regenerative support with particular relevance for skin and soft tissue healing

The goal involves reducing harmful stress while maintaining beneficial mechanical input

The discussion of GHK-Cu oral vs injectable for these goals is settled

So theres at least some possible risk here

Most published studies on topical GHK-Cu for hair have been small, often industry-sponsored, and conducted as cosmetic studies rather than as full pharmaceutical trials