Lets look at the main factors to consider: Bioavailability Traditionally, injection has been considered the most efficient route of administering peptide drugs due to their instability and rapid degradation with oral, topical, and other delivery methods
Peptide therapy can benefit athletes, individuals looking to lose fat, those seeking better skin health, and anyone looking to improve overall wellness
Stimulation of sulfated glycosaminoglycan synthesis by the tripeptide-copper complex Glycyl-L-histidyl-L-lysine-Cu2+ 8
The 28-day window is based on: Peptide stability in bacteriostatic water solution The preservative activity of the benzyl alcohol in bacteriostatic water (which inhibits bacterial growth) General best practice for reconstituted research peptides Protocols using reconstituted peptide beyond 28 days should plan vial reconstitution timing to align with use schedules
USA 110 , 1757017575 (2013)
Bottom line: you will find centella working nicely anywhere from a fraction of a percent up to hero-ingredient levels depending on whether it is a supporting soother or the main event