Fooey®! Ultra-Bitter Spray. All-natural bitter ingredients. Stops chewing. Stops undesirable licking, biting and chewing behavior. SynergyLabs®. Fooey!®'s extremely bitter taste comes from grapefruit skin extract and the herb known as "The King of Bitters". These all-natural active ingredients deliver a safe, effective & powerful deterrent to destructive chewing, biting, & licking behaviors. Contains no alcohol. Neutral ph. Odorless, non-toxic, non-caustic, nonflammable, non-acidic. The Most Bitter Stuff on Earth®. SynergyLabs® products. Satisfaction guarantee (USA only): return unused product, with original purchase receipt to place of purchase. Fooey®! and The Most bitter stuff on Earth® are registered trademarks of SynergyLabs®. (954) 525-1133. www.synergylabs.com. © SynergyLabs 2014. All rights reserved.