Key lime, Persian lime, lemon, mandarin orange, bitter orange, sweet orange, pomelo, tangerine; you name it, it's delicious, and has well-documented nutritional benefits, too. But a good citrus fragrance isn't easy to find. Capturing the bright, sunshine-y, happy-making essence of the real thing is a challenge that often results in something that smells more like Lysol than fresh-squeezed lemonade. But these few standouts really do citrus justice in evoking the real deal, not some bogus version of it that mostly just smells like someone cleaned the floors.