Mystery of Mitt Romney’s ‘fake tan’ solved by ABC/Univision News team Univision News managing editor Fernando Vila concluded on Twitter that there is “no evidence of foul play” behind Romney’s swarthy complexion.

It appeared that a makeup artist went at the candidate with a heavy hand — prompting some speculation in the liberal blogosphere that the Republican had applied some self-tanner before the event on Hispanic issues.

PHOTOS: TANOREXIC POLITICIANS

“Mitt Romney dyed his face brown for his Univision interview,” was DemocraticUnderground.com’s take on the Republican’s swarthy complexion.

But Univision, which spoke to the cosmetologist in question, has found that the culprit was simply some MAC Studio Fix powder plus foundation in shade NW30. The investigative team tried caking the makeup on test subjects under harsh lights without getting the same effect.

The makeup artist, 25-year veteran Lazz Rodriguez, said the candidate simply sat down in his makeup chair with a deep, natural tan.

"What they [bloggers and commenters] have done is all a bit sad to me," Rodriguez told Univision.

"I also don't want this to jeopardize a career I've worked so hard to build in this field," he said. "He was tan from being out in the sun on the campaign trail -- that's the only possible explanation.”

Univision News managing editor Fernando Vila noted on Twitter that there is “no evidence of foul play” in the selection of Romney’s powder.

The Romney campaign did not immediately comment on the candidate's base coat.