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On the other hand, GHK-Cu promotes angiogenesis, the formation of new blood vessels, which is a process that tumors exploit to fuel their growth

Important formulation note: When using topical GHK-Cu products, avoid combining them in the same application session with strong vitamin C, retinol, or alpha hydroxy acids these can interact with copper peptides and reduce their effectiveness or cause irritation

Once your skin becomes used to the starter levels of niacinamide, you may slowly transition to the higher strength versions of the best serum for pigmentation and dark spot treatment for persistent results

They're worth understanding, and so is the bigger picture

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