Advertising is all around us, and it's particularly ubiquitous in the realm of beauty. Makeup, skin care, and fragrance get shilled to us constantly, and many of us are only passingly aware of the messages we're receiving. Which is why the 10 ads here are such a big deal. For better or for worse, these spots made a big impression — sometimes on consumers, sometimes on regulatory committees, and sometimes on censors. Whether you're wondering why Dakota Fanning's Marc Jacobs ads came under fire or just heard about those "talking vagina" commercials, all the most incendiary spots from the glossies, the web, and television are here.