Goodhead Wet Head Dry Mouth Spray Watermelon 2 ounces from Doc Johnson Novelties. Banish dry mouth during oral sex with GoodHead Wet Head Dry Mouth Spray. Available in many mouth watering flavors, this dry mouth spray comes in a handy 2 fluid ounces bottle, and provides instant moisture and fresh breath. A couple spritzes is all you need for a night of sensual fun! Sugar free, vegan, paraben free and body safe. Made in the USA.