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Many women choose to use a GHK-Cu serum in the morning (under your daily moisturizer with broad-spectrum sun protection) and then use a retinol or vitamin C at night to avoid the sun sensitivity that can be caused by retinols
Two GH secretagogues that both work through the ghrelin receptor (GHSR) will compete for binding sites rather than producing additive effects
This compound is not intended for therapeutic or diagnostic purposes and has not been evaluated by regulatory agencies for safety or efficacy in humans
It affects a large number of people, globally estimated as more than 6 million, and it is expected to multiply several times by the year 2040 [1]
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