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Baron also says these reactions resolve on their own if you just lower the concentration a bit (or the frequency, perhaps)

GHK-Biotin is a conjugate of GHK (Glycyl-L-Histidyl-L-Lysine), a tripeptide, and Biotin, a water-soluble vitamin (Vitamin B7) essential for cellular energy production and keratin formation

Store your serum in a cool, dark place away from direct sunlight to protect its stability and potency

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