Orajel does a nice job of numbing the skin (because it contains 20% Benzocaine). When I’m tweezing my eyebrows (or any place else for that matter) I apply a little dab of this and it really cuts down the stinging. (Retails for about $7.99)

Active Ingredients: Benzocaine (20%)
Inactive Ingredients: Cellulose Gum, Gelatin, Menthol, Methyl Salicylate, Pectin, Plasticized Hydrocarbon Gel, Polyethylene Glycol, Sodium Saccharin.