Bioline Pet Stain Remover is ideal for use in a home with animals, removing pet stains caused by urine, feces or vomit. Eliminates annoying odors. Ideal for use on upholstery and carpets (test in an area first) Spray the stain remover directly onto the stain and treat with a sponge until a light lather forms and the stain begins to disappear. When dry, remove them with a vacuum cleaner. Instructions for use: Spray the stain remover directly onto the stain and treat with a sponge until a light foam forms and the stain begins to disappear. When dry, remove them with a vacuum cleaner. Test to see if the material is colorfast in an inconspicuous place before applying it to the stain.