精油是使用不同方法从植物的各个部分提取的复杂且高度浓缩的液体。 这些油由许多不同的化合物组成，这些化合物具有独特的香气和治疗特性。 最常见的提取方法包括蒸汽蒸馏、冷压和溶剂提取。
精油因其治疗特性而被使用了数千年，并已被用于世界各地的传统医学实践。 它们被认为具有广泛的治疗益处，例如减轻压力和焦虑、改善睡眠质量、缓解疼痛和炎症以及促进放松。
要使用精油，通常将它们在载体油中稀释后吸入、扩散或局部涂抹在皮肤上。 使用精油时务必小心，因为它们可能非常有效，如果使用不当，有些可能会引起刺激或过敏反应。
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