Understanding Why GHK-CU Can Initially Make Skin Worse Before troubleshooting, you need to understand the mechanisms at play
As researchers note, this decline coincides with the noticeable decrease in regenerative capacity of an organism.2 This suggests that, for example, lower natural GHK levels may contribute to things like slower wound healing in older adults.5 What is GHK-Cu used for
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For skin , GHK-Cu has solid evidence for collagen and repair
2-4 weeks Skin feels smoother and better hydrated 4-8 weeks Firmness and tone start to look more even 3+ months Deeper, more lasting changes as collagen rebuilds Administration If your skin gets irritated, red, itchy, or flaky, stop using the cream and let your provider know
However, more research is needed to support these claims