If you want to go as deep as possible, you need a little extra help. Good Head Deep Throat Numbing Spray is a great way to temporarily suppress your gag reflex, and the premium formula lets you enjoy an intimate experience with your partner without worrying about what you're putting into your body. Good Head Deep Throat uses 5 percent benzocaine, a numbing agent that sets in almost immediately. It's gentle enough to keep you in the moment, but powerful enough to allow for comfortable deepthroating.