Cosmetic

Signal and carrier peptides studied in dermal, hair and pigmentation research. The best known is GHK-Cu, the copper peptide complex that has attracted more published research than any other compound in this category.

Copper peptides

GHK-Cu is a tripeptide bound to a copper ion. The copper is not incidental — the complex behaves differently from the peptide alone, which is why the compound is always specified with the Cu suffix. It is stocked in 50 mg and 100 mg vials, and appears in both the KLOW and Glow blends.

Signal peptides

Argireline (acetyl hexapeptide-8), Matrixyl (palmitoyl pentapeptide-4) and SNAP-8 (acetyl octapeptide-3) are studied in the context of dermal signalling. Melanotan I and II are melanocortin analogues investigated for pigmentation pathways.

A note on solubility

GHK-Cu solutions carry a characteristic blue colour from the copper complex — that is expected, not a contaminant. Every lot’s assay is published in the COA library.

For laboratory research use only. Every product in this category is supplied strictly for in-vitro laboratory research. Nothing here is a drug, supplement or medical device, nothing is approved for human or veterinary use, and Cytera provides no dosing guidance of any kind.