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This sets it apart from other peptides that either focus on muscle growth or fat reduction

For skin , GHK-Cu has solid evidence for collagen and repair

Not recommended for pregnant or nursing mothers

Side effects are rare but may include mild irritation at the injection site

In 2015, 32 white rabbits were divided into four groups of eight, and each group was given a placebo, AOD 9604, hyaluronic acid, or a combination of AOD 9604 and hyaluronic acid for 4 to 7 weeks

When it comes to GHK-Cu vs AHK-Cu, the debate is less about which peptide is better and more so about understanding what each one does and why your skin may need both