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Additionally, there are many more peptides that are used in cosmetics

Regenerative and Protective Actions of the GHK-Cu Peptide in the Light of the New Gene Data. International Journal of Molecular Sciences, 19(7), 1987

Some practitioners combine Cerebrolysin with other neuropeptides such as Semax, Selank, or Dihexa as part of a comprehensive brain health protocol

the FDA advisory committee then voted against permitting their compounding, leaving them restricted (source)

(14) More research needs to be done on the relationship between inflammation and glutathione, but it gives us a clearer starting point in treating these conditions