Hisamitsu Pharmaceutical, which has U.S. headquarters in Torrance, Calif., has introduced two over-the-counter pain relief patches to the American market, the Salonpas Pain Relief Patch and Salonpas Arthritis Pain patch.

Both patches are formulated to provide temporary relief of mild to moderate aches and pains of the muscles and joints associated with arthritis, sprains, strains, and simple backaches experienced by patients aged 18 years and older, according to the company. Each patch contains 10% methyl salicylate and 3% I-menthol as the active pharmaceutical ingredients.

To introduce the patches, Hisamitsu says it will distribute more than two million free samples.

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