Wow drops can be used as a mouthwash simply add a few drops to an 8 oz glass of water. Add a couple of drops to toothpaste to freshen breath. Add 1-3 drops in hot water or tea for a therapeutic beverage. Product Benefits. Breath Freshener. Relieves Sinus Congestion. Sooth Sore Throats. Relieves Head Aches. Calms Nervousness And Anxiety. Energizes And Clears The Mind. Relieves Coughing. Helps Stomach Cramps.