Aspercreme Lidocaine - No Mess Applicator is a pain relieving liquid in a roll-on stick. It contains 4% lidocaine, the maximum strength available without a prescription. This ingredient targets nerves and helps numb pain away. The Aspercreme roll on is great for use on the back, neck, shoulder, legs, and more. It works within minutes for fast pain relief. Simply apply a thin layer every 6 to 8 hours. You do not need to rub the product in, so your hands stay clean. The formula is odor free and non greasy. Each roll on stick contains 2.5 ounces of product.