Go down easier. GoodHead Deep Throat Spray mildly numbs the back of the throat and suppresses the gag reflex to allow deep oral penetration without discomfort. This functional. flavorful spray in a convenient travel size is formulated for minimal medicinal taste and maximum effect in a variety of mouthwatering flavors.33 fl.oz (9.33 g).Go down easier. GoodHead Deep Throat Spray mildly numbs the back of the throat and suppresses the gag reflex to allow deep oral penetration without discomfort. This functional. flavorful spray in a convenient travel size is formulated for minimal medicinal taste and maximum effect in a variety of mouthwatering flavors.33 fl.oz (9.33 g).