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How to Inject GHK-Cu Subcutaneously at Home: Syringe, Site, and Rotation GHK-Cu is administered subcutaneously (SQ), meaning just under the skin rather than into muscle
Intramuscular injections target muscle and require different site selection, needle length, and training
Several other peptides share overlapping therapeutic territory in wound healing, tissue repair, or anti-aging skincare
Why copper matters : The copper ion is essential for activity
It revitalizes skin by supporting collagen and elastin production and reducing visible signs of aging, while also creating the optimal environment for healthy follicle activity and visible hair
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