#cosmetic-peptides
2 pieces tagged cosmetic-peptides.
- The moleculesGHK-Cu: why the powder is blue and what copper peptide meansGHK-Cu is the tripeptide glycyl-histidyl-lysine holding one copper(II) ion. The copper is what makes it blue, what makes it a different molecule from GHK, and what its two INCI names are about. Status as of September 2026.
- Sourcing and provenanceCosmetic-grade vs research-grade peptidesWhat an INCI name is and who assigns it, what documents a cosmetic formulator needs from an ingredient supplier, and why a vial labelled research use only is not a cosmetic raw material.
Nothing here is medical advice. Everything on this site is supplied for laboratory research use only.