Salonpas offers relieve pain and discomfort, allowing to enjoy a healthy lifestyle and active. Product description: has a size and an ideal combination of active ingredients for KATAKORI "Japanese term used by stiffness of the neck and shoulder." Ideal after hours sitting in an office, driving at night or read for a long time. Active Ingredients: (All of these topics are analgesics) Methyl salicylate 10%, Menthol 6%, Camphor 3.1%. Content: pack of 60 patches (2.83×1.81 inches). Once you apply a patch Salonpas® active ingredients quickly pass the keratin layer of the epidermis and dermis then the ingredients go into the bloodstream by the blood capillary.