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Trusted Sombra Warm Therapy in a compact, easy-access jar. The 4 oz jar delivers the same dual-action warming and cooling formula as the larger clinical sizes — in a wide-mouth jar format that’s ideal for home use, bedside tables, and travel. The warming and cooling formula relieves muscle and joint discomfort from arthritis, backaches, strains, and sprains, absorbing quickly without leaving a greasy residue or staining clothes. Refreshing orange-citrus scent. Alcohol-free and compatible with ultrasound therapy. Made in the USA.
What is the difference between the 4 oz jar and the 4 oz tube?
Both contain the same Sombra Warm Therapy formula at the same size. The difference is the dispensing format. The 4 oz squeeze tube allows precise, controlled application directly to the skin without getting the product on your hands — better for targeted spot application and on-the-go use where you need to apply and immediately use your hands. The 4 oz jar has a wide-mouth opening that allows easy finger or spatula access — better for home use where you apply by hand and for users who prefer to scoop and massage the gel in. Both are equally portable; the tube is slightly more convenient for hands-free dispensing.
How does the dual-action warming and cooling formula work?
Sombra Warm Therapy uses a combination of warming and cooling active ingredients that work through two complementary mechanisms. The warming component increases local circulation and relaxes muscle tissue, helping relieve deep muscle aches, stiffness, and joint pain. The cooling component provides a counterirritant effect — stimulating cold-sensitive nerve receptors in the skin to override pain signals from the underlying tissue. The result is a sensation of warmth with a mild cooling finish that many users find more comfortable than products that produce intense heat alone.
What does “compatible with ultrasound therapy” mean?
Ultrasound therapy uses a handheld transducer that transmits sound waves through a coupling medium applied to the skin. The coupling medium must be water-based and free of alcohol and other ingredients that can interfere with sound wave transmission or damage the transducer head. Sombra Warm Therapy is formulated to be compatible with therapeutic ultrasound as a coupling agent, allowing clinicians to apply the product and perform ultrasound therapy over the same area without switching products. Always confirm compatibility with your specific ultrasound equipment before use.
How do I use and store the jar correctly?
Apply 1–2 fingertips’ worth of gel to the affected area and massage gently into the skin until absorbed. Use a clean spatula or disposable gloves if applying in a clinical setting to maintain hygiene. Wash hands after application. Keep the jar tightly closed between uses to prevent the gel from drying out. Store at room temperature away from direct heat and sunlight. Do not introduce water into the jar, as this can affect the formula and promote contamination. Replace the lid promptly after each use.
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