Typical experimental endpoints include measures of collagen and extracellular matrix protein expression, cell migration rates, cytoskeletal organization, and transcriptional changes in genes related to tissue structure and repair, depending on the model
Typical use is anywhere between 3-10% but can go up to 79% in some leave-on products
The local effect theory suggests oral administration may actually work better than injection for these purposes
TB500 vs BPC-157 vs Copper Peptides: The Real Difference in Recovery (And How I Used All Three After My Bilateral Triceps Rupture) When it comes to soft-tissue healing, tendon repair, inflammation control, and recovery optimization, few topics are exploding in popularity as fast as peptide therapy
Margolina, GHK Peptide as a Natural Modulator of Multiple Cellular Pathways in Skin Regeneration, Wiley, 2015