Made of natural oil that is helpful to body, emotion and skin. non- and water-soluble. 12 kinds of flavors: ocean, lemon, rose, lavender, , osmanthus, violet, sandalwood, , orange, green tea, strawberry. delicate fragrance can improve sanitation and eliminate odors to purify the air. can be refreshing, and relieve stress, insomnia, headaches, and bring a pleasant mood. suitable for use with humidifier, aroma diffuser lamp, aroma diffuser furnace, spray, etc.