Here:
www.guardian.co.uk/media/2011/jul/27/loreal-julia-roberts-ad-banned
They banned the advert because the producers didn't even want the Advertising Standards Agency to see an un-airbrushed image to compare with the finished product - isn't that awful?!
I'm afraid I'd not heard of Jo Swanson, the MP who helped get the ban, before. Sounds good, though.