lvlup ghk cu Revive Peptide Face & Body Cream - Revive Ghk-cu Copper Peptide GHK-Cu Peptide Therapy: The Definitive

They address different things

The GLP-1 analog, exenatide, reduced mucin production by restoring FOXA2 function through the activation of GLP-1 receptor-peroxisome proliferator-activated receptor gamma (PPAR-)-phosphatase and tension homolog (PTEN) signaling in COPD-derived human primary bronchial epithelial cells [114]

Inactive ingredients per mL: 1.5 mg sodium sulfite anhydrous, 16.5 mg sodium citrate anhydrous and 10.42 mg (0.01 mL) benzyl alcohol (preservative) in Water for Injection

Although GHK-Cu and Pal-GHK have been of interest as effective peptides to be incorporated in the anti-wrinkle products, there is a surprising absence of clinical studies using them