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Each vial contains 100mg of lyophilized GHK-Cu peptide intended for advanced laboratory research applications

Scientists classify GHK-Cu as a carrier peptide because its primary function involves transporting coppera trace element required by the human body for numerous enzymatic processes

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

Allergen-induced asthmatic responses modified by a GATA3-specific DNAzyme

As mentioned, it has many functions aside from this

Glutathione An antioxidant that helps brighten the look of dull skin and improve the appearance of uneven tone for a more radiant complexion