ghk-cu skincare products The Skin & Hair Stack Reduces fine lines GHK-Cu Copper Peptide Serum –

D.BakS.RasmussenH.OlsenC

Pollution, stress, too much processed food, or even just the wear-and-tear of daily living can all cause damage

Brezina PR, Zhao Y

These almost unavoidable elements can cause significant differences in the way our bodies function

The copper content of GHK-Cu formulations has been a theoretical safety consideration, given that excessive copper can be toxic - however, the amounts used in cosmetic and research applications are extremely small, the copper is tightly chelated by the peptide (reducing free copper availability), and topical absorption of copper from these products appears minimal and well below levels that would cause systemic copper accumulation or toxicity