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 ...

Filling your diffuser with filtered or bottled water prevents damage from hard water. Keeping the diffuser away from electronics helps avoid mist damage. Essential oils labeled "for aromatherapy use" ...

Fill your diffuser with filtered or bottled water to prevent damage. Choose essential oils labeled "for aromatherapy use" only. Keep the diffuser away from electronics to avoid mist damage. Many ...