Good Head, Tingle Drops not only add sweetness (and in turn, enthusiasm) to going down, the formula also contains a hint of menthol for tingly, exciting sensations. Simply apply a few drops of either Salivating Strawberry, Sour Green Apple or Wild Watermelon to the tongue, you'll both enjoy the results. Each travel friendly applicator bottle contains 1 oz (28g) or Good Head. Made in the USA