This Long Lasting Extra Strength Stick is the strongest non-prescription topical pain reliever available. Its long-lasting extra strength formula helps manage serious pain and prevent, relieve, and heal acute and chronic muscle and joint pain. It also treats pain from arthritis by focusing on inflammation as the source of pain. It helps reduce inflammation with 30% Methyl Salicylate, a topical Non-Steroidal Anti-Inflammatory Drug (NSAID). It is easy to use with its no-mess stick applicator, and is free from colours, parabens, and phthalates.