Aromatherapy involves the use of essential oils to:

While certain essential oils may possess properties that can help alleviate some allergy symptoms, this is not the primary purpose of aromatherapy. Aromatherapy focuses on relaxation and emotional wellness rather than treating specific medical conditions like allergies, making this choice inaccurate in the context of the question.

Essential oils can be applied to the skin, but they are typically diluted in a carrier oil and used sparingly. The primary intent in aromatherapy is not the application method but rather the inhalation of the aromas to achieve relaxation and other wellness benefits. Thus, this option misrepresents the core practice of aromatherapy.

Although some essential oils can be ingested, this is generally not a common practice within aromatherapy. The focus of aromatherapy is on the aromatic properties of essential oils for relaxation and emotional well-being, rather than their incorporation into food, which is outside the traditional scope of this practice.