Hi, a rough area on your penis head is not suggestive of herpes and simple genital touching is not how hits passed but needs rubbing to force the virus into the nerve
Your bigger risk is from unprotected oral sex as we are now finding out that those with oral hsv1 can pass it to someone penis from oral sex. And since it sheds about 9-18% of the time, there is a risk.
In most cases an initial herpes infection is not ambiguous and painful lesions result most often involving the shaft as well as the head of the penis (not so often just the penis head).
I think you are ezperiencing a minor dermatitis condition; fungus or simple irritation.