GHK-Cu vs GLOW vs KLOW
All three sit in the copper-peptide corner of the aesthetics range, and the difference is simple once you see it: GHK-Cu is the single copper tripeptide, while GLOW and KLOW are multi-peptide blends built around that same copper-peptide theme.
the single peptide: GHK-Cu
GHK-Cu is a copper-binding tripeptide — the peptide GHK complexed with copper — studied in skin-remodelling, collagen and extracellular-matrix research. It's the isolated compound: one copper peptide, nothing else in the pen. Supplied as GHK-Cu 100.
how to choose
Choose the single peptide when the copper tripeptide itself is the variable under study; choose a blend when the model calls for the combined formulation. The distinction is isolation vs combination, not better vs worse.
verifying blends especially
Verification matters most for GLOW and KLOW: the certificate of analysis should confirm the identity and proportion of every component, not just the total peptide. See how to read a COA, and the wider skin & aesthetics range.
research use only
Both compounds are supplied strictly for in-vitro and laboratory research use only — not medicines, not for human or veterinary consumption. Nothing here is dosing, medical or treatment guidance.
the research pens
Pre-filled, batch-numbered and independently assayed. Save one to your list and we'll email you the moment it's available in your country.
