Anti-Viral Roll-On Destrou viruses. comes in amber 10ML bottle. Sipmly apply to your neck, your temple, and back of your neck, every hour. You can also rub into your hand and simply breathe into nose. If you would perfer you can also apply to the bottom of both feet every hour. Our Anti-Viral Spray is one you don't want to leave home without. Fits perfecly in your pocket or purse.