“President Trump is using a very common cream on the right side of his neck, which is a preventative skin treatment, prescribed by the White House Doctor,” Sean Barbabella, the president’s doctor, said in a statement. “The President is using this treatment for one week, and the redness is expected to last for a few weeks.”

The pop star charged the administration with "trying to make light of war" after the White House shared a clip set to her hit song.