Lidocaine Plus Menthol, numbs the pain while providing cooling pain relief. Topical Gel with Lidocaine 4% and Menthol 1%. Numb and Desensitize aggravated nerves. Cools and Reduces Inflammation. Fast, effective pain relief. Non Greasy. Deep Relief is a complete line of fast acting, long lasting, penetrating pain relievers, designed to target your source of pain. Deep Relief products have been trusted by Canadians for over 50 years and are the only pain reliever endorsed by the Canadian Chiropractic Association. Active Ingredient(s): Lidocaine Hydrochloride 4%, Menthol 1%