> is it the media manipulating images?
Implausible; it would take a ridiculous degree of media cooperation, and official press photos are often quite orange.
> has he ever commented on it?
I suspect he doesn't see it as a problem; he could make it go away any time he wanted by putting down the makeup. His team don't seem keen on it, though; note that in the famous photo where they lengthened his fingers, he has been de-oranged: https://www.bbc.com/news/world-us-canada-46977712
[0] https://en.wikipedia.org/wiki/Sunless_tanning#Carotenoids
He has, he blamed energy efficient lightbulbs: https://www.theguardian.com/us-news/2019/sep/13/trump-orange...
The photo, which began making its rounds on the internet on Friday evening, is a close-up of the president on the White House Lawn."
https://globalnews.ca/news/6525816/trump-tan-line-photo/
Whether the photo is actually manipulated is an exercise for the reader.
https://www.nytimes.com/2019/02/02/us/politics/trump-tan.htm...