NAD Finds Salonpas Duration Claim Supported; Recommends Hisamitsu America Discontinue Comparative Pain Relief, Onset of Action, Range of Motion Claims News provided by Share this article Share this article NEW YORK, March 10, 2021 /PRNewswire/ -- The National Advertising Division (NAD) of BBB National Programs determined that Hisamitsu America, Inc. supported its duration claims that Salonpas Pain Relief Patch Large "works for up to 12 hours" and "provides relief for up to 12 hours." NAD also determined that Hisamitsu provided a reasonable basis for the challenged claims comparing the Salonpas patch's regulatory pathway to competitor products. However, NAD has recommended that Hisamitsu discontinue the following parity and product performance claims: