All About GHK Cu Peptide More Than Just Cosmetic 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 Squalane + Copper Peptide (GHK Cu) Rapid Plumping Serum PSA: Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r 30PlusSkinCare Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with