GHK CU, Why this audio? Because injecting feels like a constant wasp sting so it takes me about 15 seconds to pin .2 mL. I dread this shot every night for that reason. Also, it leaves me bruised, so I Do you know what this little blue injection is? It's called GHK Cu aka the Glow Peptide I've always believed in peptides for skincare, but honestly I never thought about How Often to Inject GHK Cu PeptidesExplorer 7% GHK Cu Accelerant for Cosmetics The Original Copper Peptide for Anti Aging DIY Ingredient to Boost Anti Wrinkle Skin Care Buy or Shop Skin Biology True Copper Peptides GHK Cu Copper Peptide Regeneration, Skin Renewal & Anti Age