Must admit, my daughters dog ozzy is the same, like a blooming lizard lol, He's tounge is never in his head, i call him the chameleon
And my mums dog nancy is just the same, but her breath stinks with it aswell coz shes old

No on its own just is'nt working with ozzy tho, we've tryed for months, so i mite try the spray first meself, it may not work but im still going to try .