This is an over-the-counter drug that you apply on the skin, which has anti-inflammatory and analgesic properties.
Note: Analgesics are painkillers that ease anything from headaches to arthritis.) Wintergreen leaves and birch bark are the main sources of methyl salicylate. Wintergreen leaves are medicinally used for inflammation and have a warming effect on the skin. Its other source, birch bark, has antipyretic (fever-reducing) and antirheumatic properties, among others.
With efficascent oil, the skin absorbs methyl salicylate. Thus, it relieves pain in people suffering from rheumatism, painful muscles and joints.
This particular component of the oil is taken from camphor wood tree. Camphor has effects on symptoms of inflammation, infection, congestion, pain and irritation. Therefore, people with rheumatism find this substance very useful. Rheumatoid arthritis is an autoimmune condition that primarily affects the joints. People suffering from this ailment exhibit pain, stiffness, swelling, warmth, and redness in those areas. In addition, it acts as an analgesic, antiseptic, anti-inflammatory, nasal decongestant, expectorant, and cough suppressant.