The 5 Most Useful Essential Oils

While natural beauty guru Rachel Winard (of the cult-favorite brand Soapwalla) and I were talking about good, easy facials to make with food that might currently be in your kitchen, I also asked her for pointers on how to start an essential oil collection. Essentially: What are the essential essential oils? She suggested these five (for which you could come up with your own mnemonic, too -- my first attempt is "let little ponies eat ... tea trees.") Anyway, I'll turn this over to Rachel now...