This might be a result of the body adapting to the healing process
During separation of the peptide mixtures, the loop and pepsin column were washed three times with 80 L of wash solution (0.5 M guanidine hydrochloride in 4% (v/v) acetonitrile), and blank injections performed between each sample to reduce peptide carry-over
Ang PS, Chen Z, Chan CL, Tai BC
Mild swelling or redness is normal and should subside in a few days
While some users report enhanced local effects, the evidence for superiority over subcutaneous administration remains unclear, and complications including nerve irritation present greater concern
Kate Leung, FRCPA, FHKAM (Pathology) 3