Patch test on inner arm. If skin turns red discontinue use. Clean area of skin with mild soap and warm water. Pat to dry. Apply a thin film of Numb-It 10 – 15 minutes prior to treatment. One drop spreads about 2 inches (5cm) of product. Avoid contact with eyes, do not use large quantities. Do not apply to blistered areas, mucous membranes, rectum or open wounds. Do not occlude (put any plastic wrap) over Numb-It as this could cause a toxic response. Do not use if allergic to lidocaine. Consult a physician if pregnant or lactating. Keep out of reach of children.