Why Non-Copper GHK?
GHK and GHK-Cu are often discussed interchangeably in popular skincare content, but they are distinct chemical entities with different regulatory profiles. HelioMend formulations use non-copper GHK. This article reviews the distinction and the regulatory status of each form.
Two distinct compounds
GHK is a tripeptide consisting of glycine, histidine, and lysine. GHK-Cu is the same tripeptide bound in a coordination complex with a copper ion. The two are distinct chemical entities with different molecular weights, different solubility profiles, and different mechanisms of action in some pathways.
Regulatory status
FDA Category 2 compounding restrictions apply specifically to GHK-Cu in injectable preparations. Topical formulations of non-copper GHK are not subject to those restrictions. HelioMend formulations use the non-copper form in topical delivery vehicles only.
Why HelioMend uses non-copper GHK
The non-copper form was selected based on three criteria: regulatory clarity for topical consumer products, formulation stability across the bioregulator combination of GHK with KED and AEDG, and alignment with the published Khavinson research lineage that has characterized non-copper GHK independently.
Practitioner considerations
Practitioners working with injectable GHK-Cu should refer to current FDA guidance on Category 2 bulks. HelioMend topical products are direct-to-consumer and do not require prescription dispensing.
Citations
- U.S. Food and Drug Administration. Bulks Used in Compounding Under Section 503A — Category 2 list including GHK-Cu (injectable). [link]
- Pickart L, Margolina A. Regenerative and protective actions of the GHK-Cu peptide. Int J Mol Sci. 2018;19(7):1987.