beef tallow with ghk cu AzulBotanicals Copper Peptide GHk-Cu & Methylene Blue Infused Whipped Grass Fed Balm, Fine lines, Wrinkles, Eczema, Acne, Full body Moisturizer, For All Skin (3.4 oz) : Beauty & Personal Care The Holy Grail of anti HealthyDerm Copper Peptides GHK-Cu Beef
Description
The peptide caused skin irritation but otherwise appeared to be safe

A 2007 Seoul National University study showed GHK-Cu stimulated follicle elongation and dermal papilla cell proliferation at concentrations as low as 10^-12 M (Pyo et al., 2007)

Auton Neurosci 196: 91104, 2016

Summary: GHK-Cu Dosage Guidelines for Research This summary highlights the key points for determining daily GHK-Cu dosage in research settings