Our products should not stain. However, it is recommended that you do not saturate anything with the All Stop Dead Bed Bugs Contact Killing Spray. It is also a good idea to test the product on a small section of your furniture are carpeting, especially if you are treating white furniture.
Testing will ensure that the products do not stain your furniture. When dealing with leather you should spray the products on a cloth or papertowel instead of directly on the leather.