is ghk cu systemic or local GHK-CU Making Skin Worse: Complete Troubleshooting Guide GHK-Cu Peptide Therapy: The Definitive – GHK-Cu in the NAD+ Push

Int J Clin Pract

Naturally Declines with Age Because GHK Cu levels drop significantly with age, supplementing may help restore the support your body naturally provided in your younger years

It is classified in the research community as a stable gastric pentadecapeptide studied for tissue-protective and tissue-repair signaling

Therefore, MIC/B-12 injections may contribute to improved overall appearance and health in these areas

However, the effect varies, is not guaranteed, and the evidence is still limited

Using copper peptides alongside strong acids, vitamin C, or retinoids may reduce topical GHK-Cu peptide benefits for skin rejuvenation or increase irritation