US$ 23.09
ghk-cu increases collagen GHK-Cu: The Peptide That Transforms Skin and Tissue Health – Calibrate IV GHK-Cu for Skin Rejuvenation -
Description
GHK-Cu Dosing Protocol & Schedule GHK-Cu is researched through two very different routes: subcutaneous injection of a reconstituted vial and topical application of a cream, serum, or microneedling-adjacent formulation

Hecker L, Logsdon NJ, Kurundkar D, Kurundkar A, Bernard K, Hock T, et al
Always confirm against your own vial, diluent, and clinician or pharmacy instructions

doi: 10.1016/s0092-8674(03)01081-x

Note that in all three molecules metal ions are coordinated - loosely held in the middle - of a structure that contains four nitrogen atoms (yellow stars) which are part of five-membered rings that are geometrically perfected to accommodate metals in the middle

Animal studies show accelerated wound healing, tendon recovery, gut repair, and neuroprotective effects