I agree with timid-newbies observation; most patients don't notice any change in sensitivity, whether it's an increase or decrease. However, a few have reported heightened sensitivity, which I suspect may be due to increased friction. Nonetheless, I wouldn't recommend seeking
Girth enhancement specifically for this effect. While a potential increase in size could be seen as an added benefit, it's not a guaranteed outcome. It's important to consult with your primary care physician as well, since changes in sensitivity can result from various factors.