Kerasal Foot Pain Reliever helps alleviate minor pain caused by arthritis, muscle sprains, and tired aching feet. Available in a convenient roll-on applicator, it provides a cooling sensation that soothes feet fast. Kerasal Foot Pain Reliever includes natural menthol, and a soothing base of all natural ingredients arnica, boswellia, ILEX and MSM. Studies have shown that these ingredients are effective at reducing swelling, increasing mobility, and effectively reducing pain.