Hi, first of all let me just clarify that i'm not a doctor, but just somebody who has the same thing, and due to some research I realized that it is no big deal.
To my best knowledge of how you're describing the "so called" symptom, it is nothing but a freckle. And as another website said it, freckles can appear there, and it is nothing serious at all (as long as there's no pain to it).
It's normal and it happens on many many guys, so my suggestion is that you simply get on good terms with it - feel confident.
Also, unfortunately there might not be a cream to make it go away, but the most important thing you should bear in mind is that it is normal and there's nothing you should worry about and as long as you feel normal about it, then your future (or current) partner will also see it as normal...However if you feel weird about it and can't accept it, then chances are that your future/current partner cannot do it either.