3 small bums - penis

I have 3 small bums on my penis , there are small and red, not painful or itchy or anything just appeared. i have and use hair removal cream , when i pop or scrape them they just go away then come back. Any ideas ? they are not filled with puss or anything.

I had what you have last year, I think it was a pimple. Whatever it was, it took ages to go, but it eventually went away on it’s own. 

+ I was a full on virgin then so it wasn’t any STD.

I'm guessing it's from the hair removal cream.  I used nair once and I kind of had a razor burn effect going on for a few days.