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GHK-Cu (CAS 89030-95-5) is a naturally occurring complex composed of the tripeptide glycyl-L-histidyl-L-lysine (Gly-His-Lys) and a copper ion (Cu)

Kannan R, Mittur A, Bao Y, Tsuruo T, Kaplowitz N

A.DefernezM.TelatinA.TiwariS

Why 1:1 Specifically Given the complementary-mechanisms framing, the natural design question is: should the ratio be 1:1, or should one component dominate

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For formulators, this creates opportunities to differentiate products based on genuine functional advantages rather than marketing claims alone