Quies Anti-Snoring Oral Spray Quies Anti-Snoring Oral Spray helps to eliminate the muscle vibrations that cause snoring with just 2 sprays each night. The air that passes over the vibrating muscles produces the sound of snoring, so by reducing the vibrations you reduce the snoring. The vegetable-oil-free formula contains xanthan gum to lubricate the soft palate as well as active ingredients to keep your throat hydrated all night long. Quies Anti-Snoring Oral Spray is a delicious honey lemon flavour & each bottle is sufficient for 6 weeks of use.