Lakota's Extra Strength Topical formula can be used on any type of muscle or joint pain. Apply directly to the sore area. Penetrates deep into the muscle or joint blocking pain signals at the source. Extra Strength Topical contains an extra potent dose of their proprietary capsaicin extract. Provides fast-acting, long-lasting, and odorless pain relief. Exclusive, natural capsaicin extract depletes the messengers in nerve cells that are responsible for transmitting pain signals. Lakota topicals also provide deep, penetrating heat to relieve muscle and joint pain. Stainless, greaseless, and odorless - You will be the only one who knows you're using it.