Our cologne-flavored car balm contains glycerin, black pepper seed extract, amber extract. It can create an elegant atmosphere, enhance the driving experience and ride comfort, and reduce the odor in the car. Its use method is very simple: 1. Unscrew the valve cover, remove the gasket on the valve cover, close the valve cover; 2. Glue the adhesive to the bottom of the air freshener. Then the air freshener is fixed in the car, so that the fragrance is distributed throughout the car. In the form of solid balm, easy to place in the car, safe to use without leakage, suitable for all types of cars.