This ad for Head & Shoulders dandruff shampoo [via Adrants] is purportedly a riff on "The Head & Shoulders point of view." But it's plain as day for anyone to see that it's actually an excuse for the pervert ad agency to get a look at the Mona Lisa's boobs. Is nothing sacred? Click through for a close-up shot. We're just glad Da Vinci's not around to see this.