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doi:10.1016/j.otc.2020.02.002
Monotherapy is reasonable for an initial cycle to establish tolerability
The optimal pH range of blue copper peptide (GHK-Cu) in skin care products should be maintained at neutral, that is, the pH value is between 5.0 and 6.5 to maintain its structural integrity and biological activity
Additionally, if you develop symptoms such as chest pain, rapid heartbeat, or shortness of breath, it is important to consult a healthcare professional
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