TB-500, also written TB500, is the research-market designation for synthetic thymosin beta 4 (T4), a 43-residue N-terminally acetylated polypeptide, sequence Ac-SDKPDMAEIEKFDKSKLKKTETQEKNPLPSKETIEQEKQAGES, molecular formula CHNOS, molecular weight 4963.4 g/mol, CAS 77591-33-4
Easy movement: Light activity gets blood moving to the injury without risking re-damage
As detailed in a 2025 review, they create moisture barriers, preserve hydration, regulate pH, control inflammation, and enhance skin functions
Images help verify consistent technique across all research subjects
Many other factors could explain the results