Research suggests that copper peptides may support the skin's natural production of structural proteins such as collagen and elastin, while also helping maintain normal skin repair and antioxidant defenses
PubMed Central , CMAJ: Canadian Medical Association Journal = Journal de lAssociation Medicale Canadienne , vol
So let us break it down clearly
Calcineurin inhibitors: Non-steroidal options for sensitive areas
Topical Copper Peptides Affects surface layers of skin only Limited penetration through skin barrier Localized effect only where applied Good for maintenance, not transformation No systemic anti-aging benefit Available over-the-counter Injectable GHK-Cu Full systemic delivery to all tissues Reaches dermis, follicles, and healing sites Whole-body anti-aging effect More potent collagen stimulation Gene expression modulation (4,000+ genes) Requires medical prescription They are not mutually exclusive
It possesses potent antioxidant and analgesic properties (Wilhelmsen 2011)