In the last week or so, this Dove ad has taken a lot of heat. Its unclear who exactly it is that's apparently offended by this advertisement, but I imagine that the real reason this story is getting so much press is because of the absurdity that one would interpret this to be offensive or racist.
The claim is that the ad implies that the body wash will lighten your skin... Because the black woman is standing in front of the before picture, and the white woman is standing in front of the after picture, some doofus took this to mean that the black woman is "before", and the white woman is the "after" (rather than understanding that the images they are standing in front of, clearly labeled "Before" and "After", are depictions of the expected results). Some people have too much time on their hands. Damn conspiracy theorists...