Editor's note: The American Society for the Prevention of Cruelty to Animals (ASPCA) notes some possible risks when using essential oils in proximity to pets. Before buying an oil diffuser, be sure it ...

You've likely seen — or smelled — essential oils before: Small bottles with potent scents, usually sold in stores surrounded by other "natural," "holistic" products. If you're considering getting into ...

The most common way to use essential oils is to inhale them, both for their scent and therapeutic properties. However, they can also be used diluted with a carrier oil and applied to the skin.