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 ...

Essential oil diffusers are one of the most popular tools for delivering aromatherapy and scenting rooms. Emitting just water and essential oils of your choice, they use all-natural ingredients, ...

"Fragrance is the substance of memories," Colette Ellis, founder of InStep Consulting and creator of Start Within, told INSIDER. The way essential oils are diffused, however, is up to the individual.