Skin and Pigment Peptides
The copper tripeptide, a melanocortin analogue, plus the two multi-component blends built from them.
About Skin and Pigment Peptides
What is on this shelf?
| Product | Contents | Sizes here |
|---|---|---|
| GHK-Cu | Glycyl-L-histidyl-L-lysine bound to copper | 50mg, 100mg vial · 100mg pen |
| GLOW | GHK-Cu + BPC-157 + thymosin beta-4 fragment | 50mg, 70mg vial · 70mg pen |
| KLOW | GLOW's three components + KPV | 80mg vial · 80mg pen |
| Melanotan 2 | Cyclic α-MSH analogue | Nasal spray |
What is the difference between GLOW and KLOW?
KLOW holds the three components found in GLOW with KPV added. On a blend label the milligram figure represents the total of every component in the vial. Each component is also available on its own.
What research has been published?
GHK-Cu: review articles plus gene-expression analysis (PMID 29986520, PMID 26236730). Melanotan II: medicinal-chemistry work that employed it as a scaffold for selective melanocortin receptor agonists (PMID 35188390). No published study looks at GLOW or KLOW as a blend.
Skin & Pigment questions
Does an 80mg blend mean 80mg of one compound?
No. The figure sums everything in the vial. You will find the breakdown on the product page.
What does the Cu in GHK-Cu mean?
Copper, incorporated into the molecule rather than simply mixed in alongside it.



