Salonpas Lidocaine 4% Pain Relieving Gel-Patch provides targeted numbing relief for temporary pain in your back, neck, shoulders, knees, and elbows. These patches use hydro-gel based technology combined with maximum OTC strength 4% Lidocaine to deliver effective topical anesthetic relief.

The thin, flexible, highly adhesive patches contour to your body and remain in place as you move, bend, twist, and flex. Each patch measures 2.75 inches by 3.94 inches and can be applied for up to 8 hours. The patches are unscented and FSA eligible for convenient purchase with flexible spending accounts.

Active ingredient: Lidocaine 4% topical anesthetic. Inactive ingredients include aluminum silicate, mineral oil, polyisobutylene, propylene glycol, styrene-isoprene-styrene block copolymer, and terpene resin. For external use only. Do not use more than one patch at a time, on wounds or damaged skin, or with a heating pad. Adults and children 12 years and older should clean and dry the affected area before applying, using no more than 3 to 4 times daily.