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A more meaningful comparison: what would the equivalent components cost if bought separately at standalone vial pricing
A Nature Scientific Reports 2016 study showed GHK-Cu had no cytotoxicity to human keratinocytes at concentrations up to 5,800 M over 72 hours and did NOT induce inflammatory biomarkers (IL-1, IL-8, HSPA1A, FOSL1) unlike other copper compounds, concluding GHK-Cu has a low potential of inducing skin irritation
The improvement is not only about fewer lines but also better texture and more even tone
A "yes" to any one ends it
US$ 28.39
US$ 25.50
US$ 28.18
