US$ 20.44
ghk-cu naturally occurring tripeptide declines with age Abib Copper Peptide Serum Bouncing Drop – GHK-Cu, Argireline & Matrixyl Peptide Face Serum | Skin Texture & Hydration | Korean Skincare GHK-Cu - Peptide for Collagen,
Description
However, there aren't really any known side effects so you can apply with peace of mind

Since it is primarily marketed for research purposes, it may not require a prescription
About GHK-Cu 100mg GHK-Cu is a small, naturally occurring tripeptide with a high affinity for copper ions

Zhang S, Su Y, Ying Z, Guo D, Pan C, Guo J, Zou Z, Wang L, Zhang Z, Jiang Z, et al

For example, insulin, which is the most famous peptide, binds to a cells receptor and tells the cell to bring glucose into the cell
