ghk-cu peptide topical use for Anti-Aging & Collagen Support - Copper Peptides Serum for Face QUBIT GHK-Cu Copper Peptide Face

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

In fact, just ~ 41% of the variance in cognitive trajectory between individuals is ascribable to brain presence of A, tau or other neuropathologies 4,5,6

Apply the serum to clean skin, then follow with a gentle, non-acidic moisturizer

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That means the real cost is not only failed experiments