Key points are not available for this paper at this time.
suggests that even smallest amounts of iso- propyl alcohol carried into the subcutis while injecting insulin can in some individuals lead to another "insulin" allergy besides reactions due to additives, preservatives, or zinc.2
Miskelly et al. (Sat,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: