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Lypholized powder must be constituted with Bacterio static water Legal Disclaimer This product is for Topical and Cosmetic Use or Research Purposes Only

The Hostynek and Maibach group at UCSF measured exactly this in 2011: human skin permeation of GHK-Cu as a function of skin layer, with the result that the peptide accumulates in the upper stratum corneum but does not pass through to viable epidermis or dermis in any meaningful quantity 4

Preclinical models demonstrate that region-specific elevations of central KYNA highlight a functional trade-off: while KYNA is often considered neuroprotective due to its antagonism of glutamatergic receptors, its broad receptor profile also allows it to inhibit 7nAChRs, which are essential for prefrontal cortical processing and mood regulation

& Devenish, R

The protective layer of your nerves remains intact through B12 consumption, enabling fast communication between brain and body signals