Was the sex protected or not? You are the best judge of whether the appearance of your penile skin has changed or not - irrespective of whether you used a condom or not, you probably have some relatively minor irritation.
Most likely it will clear in the next week or so - try not to wash too often, 1 or 2 times a day is normally sufficient - you may be cleaning extra hard compared to what you previously did …
Thanks very much for this. So you think it looks a bit red? My partner just kissed it thats all we didn’t have penetrative sex.
As I say, I have no idea of what the previous appearance of your penis was like - oral sex, if that is what you mean, is a major cause of sexual infections - you may have gotten a bacterial infection, for example, on your penis …