*Please note! Once the essential oil is opened, it cannot be returned.* . Lemon essential oil has a refreshing aroma of fresh fruit, deodorizing and purifying the air. . When you feel hot and annoyed, you can bring a fresh feeling, help your thoughts to clarify, and get rid of boredom and tiredness. https://www.youtube.com/watch?v=mykNHXYkMnU&feature=youtu.be https://files.bonecollection.com/assets/shop/BoneShop-tw/products/diffuser/Essentialoil/EssentialOil-new.jpg **Warning: • Do not apply, drink, or keep away from fire. • Consult a physician before using, pregnant, infant, and elderly. • Stop using any irregularities during use. • Made with natural ingredients, which is normal if turbid or precipitated.