NaturVet Herbal Flea Spray is a combination of natural oils which help to repel fleas and flies while deodorizing with a fresh herbal fragrance. This product can be used on pets and pet bedding. Pet Bedding: Herbal Flea Spray can also be used on pet’s bedding, such as pillows, foam beds, and blankets. This product is designed to be non-staining. However, we recommend testing on fabric before use. Herbal Flea Spray can be used on cats and kittens over the age of six weeks. It will not interfere with other spot-on products such as Advantage® (trademark of Bayer).