Sombra® Natural Pain Relieving Gel Roll On Warm Therapy 3 oz Pain Relief for Adults has become one of the leading topical analgesics in the market today. Great for chronic conditions and basic aches and pains, the gel, which has a refreshing orange-citrus aroma to it, is a perfect complement to your practice. Relieves minor aches and pains of muscles and joints associated with arthritis and simple backaches.