We start with the most egregious:

Oh, Snooki. The days of "Jersey Shore" are (thankfully) over, but Snooki's products continue to linger. There's nail polish, fragrance, and the Snookilicious by Nicole Polizzi makeup line. And -- of course -- there's self-tanner. For a cool $75, you can order a bottle of Snooki Ultra Dark 70x Black Bronzer with Skin Firming and Toning. Only just slightly better than using an actual tanning bed. Not only is the price insane, we weren't impressed with the results.

As the wife of Donald Trump, Melania has luxuries in spades. A private jet with real gold interior? Check. A spa in her apartment? Check. So why would she use any old skin care line when she could create her own -- and infuse it with caviar from the South of France?

While the textures and fragrances are nice enough, the caviar is a gimmick. There isn't much research to support anti-aging benefits.

Edible skin care is wrong on so many levels. But that was the premise of the now-defunct Jessica Simpson Dessert Beauty. Everything from lip gloss to body mousse was edible -- and tasted like sugary chemicals. Wonder why it was discontinued …