does ghk-cu cause receptor downregulation or desensitization

Copper Peptide Hair Serum with Copper Tripeptide-1 & AHK-Cu, 1 oz : Beauty & Personal Care solution D., Petrylak, D Quantity:1oz https://i.barbend.com/176/378/935/2/9655_Vitamin_B12_for_Athletes_Myths_and_Facts.webp

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