'Are essential oils safe?' is a question many people ask themselves. There's no denying that essential oils are experiencing a boom, partly as a backlash against chemical cosmetics and partly due to a resurgence of alternative medicines and aromatherapy. 

When it comes to the best home fragrances, essential oils also smell amazing, which is their big draw for those who like home fragrance. The best essential oil diffusers promise relaxation, reduced stress levels, and even improved sleep, But are essential oils really safe, and what do you need to know before using them? 

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