柠檬精油气味强烈、清新，淡绿黄色，水质粘性。如果用于
芳香疗法上，柠檬精油的保质期仅为8~10个月，但是过了保质期后，仍可以用于芳香治疗，如
蒸汽疗法。挥发性：快
主要成分：柠檬烯、柠檬醛、（牛彪）牛儿酸、香茅油、樟烯
原产于印度，这是一种常绿植物，可以长到6m高，叶片黑绿色、卵形、边缘带锯齿，花色粉色或白色，香味浓郁。树带刺，果实成熟过程，由绿变黄。
柠檬的英文单词“Lemon”，来源于阿拉伯文“laimun”或波斯人语“limun”，这种树是由十字军战士在中世纪时期带入欧洲的。它的果实含有丰富的
维生素A、B、C，在皇家海军中，每人每天喝1盎司的柠檬汁，以预防坏血病和其他
维生素缺乏症。
柠檬精油能改善
循环系统功能，包括促进血液循环，以降低血压，止鼻血。它可以增强
免疫系统，净化身体，改善消化系统功能，分解脂肪团，治疗
消化不良和便秘。
柠檬精油具有抚慰和缓解头疼和偏头疼的作用，通过综合身体内的酸性物质，对治疗关节炎和风湿病也有帮助。还有助于清洁痤疮，清洁油腻皮肤和头发，以及去掉死皮细胞。
柠檬清新的香气，可以提神醒脑、振奋精神，缓解烦躁，净化空气。
在泡脚的热水中滴入几滴柠檬精油，可以达到活血经络的目的，还能达到去除脚气脚臭的效果。
(1) 皮肤保养
可去除老死细胞，明亮肤色，紧实微血管，促进胶原蛋白产生，淡化黑色素，对油腻的发肤有净化的功效，可软化结疤组织；改善油性肌肤，有洁肤、收敛、平衡油脂分泌、美白皮肤的作用；用于去除鸡眼、扁平疣和一般疣都很有效，也可以软化结疤组织，预防指甲岔裂。保养皮肤温和美白，防止皱纹产生，增加皮肤光泽，淡化雀斑，帮助油性肌肤减少皮脂分泌，除鸡眼、疣瘤等。
Lemon essential oil, derived from the peel of fresh lemons through a cold-press extraction process, offers a variety of potential benefits. Here are some of the commonly recognized advantages:
Uplifting Aroma: The bright and citrusy scent of lemon essential oil is known for its mood-enhancing properties. Inhaling the aroma may help uplift spirits, reduce stress, and promote a positive atmosphere.
Antimicrobial Properties: Lemon essential oil has natural antimicrobial and antibacterial properties, making it a popular choice for cleaning and disinfecting surfaces. It may help in eliminating bacteria and germs.
Immune System Support: The oil contains compounds that are believed to support the immune system. Inhaling the scent or using it in a diffuser may contribute to a healthy immune response.
Digestive Aid: Lemon essential oil may aid digestion by promoting the production of digestive juices. Some people find that adding a drop of lemon oil to water can help with occasional indigestion.
Skin Care: Lemon essential oil is used in skincare for its astringent and toning properties. It may help with oily skin and can be added to skincare products to promote a clearer complexion.
Energy and Focus: The invigorating scent of lemon essential oil is thought to have energizing effects. Diffusing the oil or using it topically (when properly diluted) may help improve focus and concentration.
Air Freshener: Lemon essential oil is a natural and pleasant way to freshen the air. It can be diffused or added to homemade cleaning products to create a clean and refreshing environment.
Detoxification Support: Some people believe that lemon essential oil supports the body's detoxification processes. Adding a drop to water or using it in a beverage may be a gentle way to support detox efforts.
Always keep in mind that essential oils are potent and should be used with caution. It's crucial to dilute them properly before applying to the skin and to be aware of any potential skin sensitivity. Additionally, pregnant women and individuals with certain health conditions should consult with a healthcare professional before using lemon essential oil or any other essential oils.
