does ghk-cu lose effectiveness over time tolerance desensitization The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline GHK-CU is dangerous
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Introduction into humans or animals is strictly prohibited
Dihexa treatment protected hair cells from acute aminoglycoside treatment (neomycin or gentamicin) but conferred no protection from chronic gentamicin or cisplatin exposure

Hopkins, D

doi: 10.1021/jm9804127 47 HelftJBottcherJChakravartyPZelenaySHuotariJSchramlBUet al

10.1038/s41591-019-0375-9 Nat

There were also instances where opening delayed for 1.5 to 5.5 h, sometimes prompting farmers to abandon the clinic sites
