Easy-swivel sprayer! And the Power of Oxyd-8. Clinical formula. Clinically proven effective at the California Breath Clinics by Dr. Harold Katz. 24 Hour confidence. Extinguishes bad breath & tastes at the source! Attacks all sources of bad breath. Restores confidence. Neutralizes sulfur-producing bacteria. TheraBreath Plus Spray eliminates bad breath & sour/bitter/metallic tastes by directly attacking all sources of these problems – the tongue, throat and/or tonsil area. It's the only product to combine the most potent of the clinically-proven natural compounds (Oxyd-8, Zinc-Rx, and Tea Tree Oil) used by Dr. Katz at The California Breath Clinics with his exclusive Extinguisher Spray Head to reach bad breath & bad taste breeding areas that could not otherwise be destroyed. Our products are not tested on animals.