US$ 24.17
ghk cu serum hair Ghk-cu and Ahk-cu 8% Copper Peptides 2oz Natural Haircare Peptide Skincare Leave in Hair Serum Copper peptide Neurogan GHK-Cu Copper Peptide Hair
Description
E2

Vehicle effects on human stratum corneum absorption and skin penetration

GHK-Cu contains a copper ion coordinated to three amino acids (glycine, histidine, lysine) in a structure that begins dissociating at temperatures above 8C

The research so far is promising, but more studies are needed to confirm findings and refine treatment protocols
