J.R. Watkins Pain Relieving Liniment provides relief of minor muscle aches, stiffness and soreness, according to the company's website. Individuals simply pat Pain Relieving Liniment on the area of sore muscles to mask feelings of pain.
The main ingredients in J.R. Watkins Pain Relieving Liniment are camphor and red pepper extract, or capsicum. These ingredients stimulate nerve receptors that sense heat, thereby decreasing pain sensations, explains J.R. Watkins. Other inactive ingredients include alcohol, caramel color, potassium carbonate and potassium cocoate, along with spruce oil and water. With its debut in 1868, J.R. Watkins Pain Relieving Liniment was the first product that the company sold.