Amazon.com: GHK Cu Copper Peptide Serum Anti Aging Face Serum for Skin Firming, Wrinkle Reduction, Hydration & Collagen Boosting, 30ml(1 fl oz) : Beauty & Personal Care Why Peptides Are The Next Big Thing In Hair Loss Treatment Maneup If your GHK injection site gets irritated try this , 1. Dilute it by adding more water to the syringe , 2. Let it sit until it reaches room temperature , Also, make sure youre rotating injection GHK Cu Peptide Injections: The Future Of Skin And Hair Care Amazon.com: Copper Peptide Hair Serum with Copper Tripeptide 1 Dual Peptide Scalp Treatment plus Licorice Root Extract : Beauty & Personal Care Copper Peptides For Hair Growth GHK Cu Copper Peptides 99% Purity 1 Gram Powder For Skin Firming & Hair Growth Hguc Gp03