Possible causes: dead space accumulation (discussed above), inaccurate water volume at reconstitution (more water means more dilute, means more volume per dose, means fewer doses from the same amount of peptide), or air in the vial displacing solution
The spectrum of peptides in the field of cosmetics is continuously growing
The final concentration of HGF in media was set at 5 ng/ml, which has been shown to maximally activate satellite cells in our primary culture system 19
Bermano G, Smyth E, Goua M, Heys SD, Wahle KW
Why 5 Days On, 2 Days Off Is the Sweet Spot For most daily peptides especially injectables like peptide therapy, GHK-Cu, Tesamorelin, and peptide therapy we follow a MondayFriday protocol with weekend breaks
Science 2015