Vet's Best Bitter Cherry Deterrent Spray for Dogs discourages chewing, biting and licking at itchy skin, stitches, or bandages. Bitter Cherry Deterrent Spray is non-stinging, alcohol-free, and non-staining so it's safe to spray directly on to your dog's skin. Uses natural key ingredients of lemon extract and grapeseed extract to deter chewing. Not for use with cats. Directions for use- Spray directly onto skin, coat, bandages, or items where unwanted chewing, biting or licking might occur. With items such as furniture, toys, shoes or other that you want to discourage chewing, licking or biting, prior to use, test in an inconspicuous area to confirm no discoloration. Repeat as needed for all use types. Reapply after washing the liquid off. Do not spray into eyes or directly on open wound.