Our cat mood diffuser set contains permethrin, glycerin. It can effectively relieve anxiety, stress and fear in cats and help pets relax physically and mentally. Its application method is very simple: 1. Remove the lid of the sedative. 2. Put the heater on the lid. 3. Plug the diffuser into a standard power outlet. It has a calming effect and helps to relieve the cat's tension; Provides a refreshing aroma and has a soothing effect. Helps soothe skin irritation and calm down.