Peptide Injection Reactions: Why Redness and Lumps Happen (And How to Fix Them) Do you get injection site reactions from your GHK CU? , 3 tips to make it better, Room temp , Use a different injection site , Inject the medication sloowwwly , All in all even with injection 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 Say hello to your skin's new BFF GHK Cu is a powerful peptide that supports collagen production, speeds healing, improves hair growth, and helps fight visible signs of aging. This tiny molecule I had an unexpected allergic reaction to beauty peptides GHK Cu, BPC 157 & TB 500 theyre popular for skin & hair, but I got a rash hours after injection , #PeptideReaction #GHKCU #BPC157 #TB500