Everyone wants to look better without surgery. This has created a market for products such as the "Tua Viso", an electrical stimulator similar to the "abdominal sculptors" seen on late night television. This "facial exerciser" is supposed to tighten skin and smooth wrinkles by strengthening the facial muscles with a 9-volt battery.
Does it work? There is no evidence to support its use for this purpose thus far. Their website does have an unpublished, non-peer reviewed trial summary, which doesn't add much. Read about it here.