Here are three descriptions about the "Car Blue Fragrance 24-hour Long-lasting Odorless and Hypoallergenic Formula for Purifying and Refreshing the Air Inside the Car 90g" 1. Deodorization and fresh air: This car Blue Fragrance uses highly efficient deodorization technology to effectively eliminate unpleasant odors inside the vehicle, providing a refreshing air experience. Its formula has been meticulously designed to continuously release fragrance for 24 hours, ensuring your driving environment remains pleasant at all times. 2. Hypoallergenic formula for greater peace of mind: This aromatherapy uses a hypoallergenic formula, which is more friendly to the respiratory system of people in vehicles. Even those who are sensitive to scents can use it with peace of mind. Meanwhile, its ingredients are natural, harmless and will not have any impact on human health. 3. High-efficiency in-car air purification: In addition to its deodorizing and refreshing functions, this car Blue Aroma diffuser can also effectively purify the air inside the vehicle. Its unique design and materials enable the aromatherapy to adsorb and remove tiny particles and harmful gases in the air, creating a healthier and more comfortable environment in your car. Please note that to ensure the best effect, it is recommended to place the aromatherapy in a well-ventilated area inside the vehicle. This car Blue Aroma diffuser is an ideal choice to enhance the driving experience. It can not only purify the air but also keep the interior fresh and comfortable.