From the Manufacturer: Tiger Balm Ultra Strength is a non-staining ointment that contains the strongest concentration of Tiger Balm's herbal ingredients to provide penetrating heat to muscles.  One application gives you fast, warm, comforting relief for joint and muscle pain, stiff muscles, arthritis in the hands and joints, backaches caused by overexertion.   For temporary relief of minor aches and pains associated with: Joint and Muscle Strains Backaches Arthritis Stiff Muscles Warming Sensations Penetrating Relief