What about trifluoroacetic acid? If not removed entirely could that cause the burning sensations ?Which AmoPure rep was that? His name please?
Stinging caused by Tirzepatide is NOT an expected or common result, and his is an incorrect and unacceptable answer.
Stinging at the injection point that persists is much more likely to be caused by Reconstitution Solution that is not correctly pH-balanced. That is common with recon sols from Chinese vendors (looking at YOU QSC) and unfortunately some US retail vendors as well. HOSPIRA Brand "Bacteriostatic Water for Injection (USP)" is the best option as it is known to be very carefully prepared and its production methods carefully monitored.
Stinging that occurs very briefly at the injection point can be caused by a cold injection solution, an excess of alcohol remaining on the skin, or, somewhat rarely, by injecting into scar tissue within the skin. Too long a needle can also cause pain if you nick the muscle layer under your skin.
Doubtless there are other causes but properly produced Tirzepatide is not the most likely cause of stinging.