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Yes , for any in vitro biological assay where the reconstituted peptide is added to cell cultures or tissue preparations, matched Bacteriostatic Water vehicle controls at the same final benzyl alcohol concentration as the highest peptide treatment concentration should be included to confirm absence of benzyl alcohol-mediated biological effects on the assay endpoints measured

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When GHK-Cu Makes More Sense GHK-Cu makes more sense when your research question is focused on copper peptide biology

Int J Geriatric Psychiatry (2012) 27(10):98998

Tang L, Yu F, Tang B, Yang Z, Fan W, Zhang M, et al