Both of these companies have apparently changed names in the one month since I place "free trial" orders. The Smilebrite web site is now for a what looks like an identical product called"SparkleWhite". The product ordered as "DazzleSmile" came with a "DazzleWhite" return address. I received the "free trial" products. DazzleSmile/DazzleWhite (located in Utah) was a tooth whitening gel brush that did not work. SmileBrite/SparkleWhite (located in Iowa) was a tube of whitening gel with some very hokey... read full review »