What is GHK-Cu?
GHK-Cu is a naturally occurring copper-binding tripeptide (Glycyl-L-Histidyl-L-Lysine) first isolated from human plasma in 1973. Native levels decline with age — it is one of the most studied peptides in cosmetic science, valued for helping improve the look of firmness, tone, and texture.
Mechanism
A copper-binding tripeptide included at 0.5%, delivered through a 60% grass-fed tallow base with 5% dimethyl isosorbide.
Peer-Reviewed
Over 100 published studies across dermatology and cosmetic chemistry journals.
COA Verified
We publish a Certificate of Analysis for every batch — including potency, purity, and heavy-metal screening.
Peer-reviewed evidence
Every batch. Every COA.
We publish the Certificate of Analysis for every production lot — third-party assayed for active concentration, microbial limits, and heavy metals. Look up your batch number any time.
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