Repair · Research note
GHK-Cu is not just plain GHK. It is the copper-bound form, which is why the product listing calls out the copper complex and the blue lyophilized powder.
What to check
- Product name: GHK-Cu or Copper Tripeptide-1.
- Appearance: blue lyophilized powder.
- COA: HPLC purity and identity details when available.
