Rub on Relief combines 13 natural ingredients in one revolutionary cream. Perfect for a stiff neck, lower back issues, creaky knees, throbbing hands, and more. It doesn't burn, or contain any toxic ingredients; it's so safe you can use it on your children or grandchildren age 10 and up. The formula contains MSM, White Willow Extract, Magnesium Sulfate, Arnica flower extract, Curcumin C3 Reduct, Lemon and Lime Oil, Calendula, Pepper Rub on Relief contains menthol that feels cool and Camphor that feel warm. It is a combination of Cinnamomum camphor and peppermint leaf oil based on these two compounds. Tens of thousands of people across the world rely on rub-on relief to support both muscles and joints helping you to stay active.