Targeted Pain Relief Spray! Thailand has a hot and humid tropical monsoon climate year-round, which exposes locals to prolonged environmental moisture, often resulting in various levels of arthritis. This oil is a commonly used product by locals. It provides relief for pain in different areas of the body such as arthritis, neck pain, shoulder pain, and rheumatoid arthritis. It has a cooling effect, helps ease pain, reduces inflammation, and stimulates blood circulation.