Get numbing relief from one of Salonpas' most popular patches. The LIDOCAINE Pain Relieving Gel-Patch uses hydro-gel-based technology plus 4% Lidocaine to provide numbing relief. With the highest percentage of Lidocaine available without a prescription, this unscented gel patch helps desensitize aggravated nerves & provides numbing relief. Provides temporary relief of pain & stiffness associated with sore back, neck, wrist, ankle, hip, shoulder, knee & elbow. Help alleviate muscle soreness, backache, joint pain & sprains. For penetrating, mess-free & targeted relief, apply spray or patch to manage pain in specific areas. Salonpas pain relieving patches & sprays offer pain relief for up to 8 hours.