Patients are usually asked about sensitivity issues after adult circumcision. There are a lot of studies in medical literature to discuss the issue of sensitivities after adult circumcision.

In systemic review reported in 2013 by Moris, they reported that the medical circumcision has no adverse effect on sexual function, sensitivity, sexual sensation, or satisfaction after intercourse in male adults.

Reference:

Morris BJ, Krieger JN. Does male circumcision affect sexual function, sensitivity, or satisfaction?—a systematic review. The journal of sexual medicine. 2013 Nov;10(11):2644-57.