Poo~Pourri’s formula of essential oils such as a fresh evergreen and holly scents should be sprayed into the toilet water before you go and no one else will ever know. A couple of drops of this spray creates a film along the water’s surface that traps odor at its source. This solution to embarrassing bathroom emergencies is also safe for the planet.  The 2 oz retails for $9.95 and the 4 oz retails for $14.95.