What you see on the head of your penis are all a natural part of the way your penis has developed - many men have these distinctly as you have, others all have them, but they are not noticeable in some men.
Long-term what you can do is to help your penile skin to become more healthy: try to wash with water only, do not apply soap, shower gel or any other form of body wash directly to your penis. End a shower by fully rinsing away any soap and wash residue from your penis and dry it fully and carefully.
Get yourself some Liquid Coconut Oil that is for use on skin, apply a very light coating to the upper-shaft and head of your penis - every other day is sufficient, best time to apply is after you have dried yourself after a shower.
NOTE: this is long-term - so something you need to do from now onwards, you may not even notice much difference for potentially up to 3 years or so - however, what you will prevent is the skin being dried further by contact with soaps and suchlike, and the coconut oil will help with hydration and in the long-run you may notice the bumps less than you currently do
I’m having the exact same problem. Just posted a thread here.