A new rash on the right side of President Donald Trump’s neck is the result of a cream used as a “preventative skin treatment,” Trump’s personal physician told CNN.

President Donald Trump’s hand makeup has found a new home — covering the mysterious rash that appeared on the side of his neck earlier this week.

Check out this photo from Monday's press conference at the White House ... when Trump turned his head to the left, photogs got a clean look at a red and scabby patch of skin on the Prez's neck.