The three formulas the calculator uses: Concentration (mg/mL) = vial mg bacteriostatic water mL Units to draw = (target mcg (vial mg 1000)) water mL 100 Doses per vial = (vial mg 1000) target mcg, rounded down A 5 mg vial reconstituted with 2 mL of bacteriostatic water is 2.5 mg/mL, or 25 mcg per unit
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However, the absence of large-scale human trials, FDA approval, and standardized sourcing means that patients should proceed with caution
GHK-Cu is a naturally occurring tripeptide that binds strongly to copper (II) ions
A 2015 permeation study confirmed near-zero transdermal delivery through untreated skin (Li et al., 2015)
Transient erythema, pruritus, or stinging may develop at the application site, typically resolving with continued use or brief treatment interruption