Test first on a small corner of the material prior to spraying as sine dyes may transfer. After testing spot has dried, spray liberally onto any textile household item such as slippers, shoes, sofas, curtains etc. Ensure the sprayed area is dry before allowing access to pets. one application is usually effective, but repeat if necessary. When spraying wound dressings, lightly spray the plaster or bandage and surrounding area taking particular care not to spray directly onto any exposed parts of the wound.