I would say that that is an exceptionally misleading image of Julia Roberts. Here's how she looked, with makeup, on April 23, 2011, at a promotional event when Roberts knew for certain that she was going to be photographed. And, let me add, the lighting at celebrity appearances can be much harsher than usual and it can distort images. Nevertheless, here's how she appeared:
And now, zoomed in on her face (I took the photo from a random website, as is, and I did not adjust color or contrast or detail).
Julia Roberts is a beautiful woman. This is not a knock against her. But that Loreal ad is ridiculous.