Tooth whiteners, do they really work?

Ultrawhite Opal

Made by: Janina International

Stockists: Selfridges; Boots; independent chemists and dentists.

Claims: “The true whitening toothpaste... Unique non-abrasive formulation contains not only most of the active ingredients found individually in other good oral hygiene products but also the new patented Bromaine Complex.”

Abrasiveness rating: 20.

Dr Lynch: “Ultrawhite is claimed to contain 16 active ingredients. It has ingredients for improving oral health by controlling caries, plaque, tartar, helping protect gums, whitening teeth and freshening breath.”

HIGHLY RECOMMENDED 10/10

NOTE: Ultrawhite Opale has since changed it’s name to Janina Opale Whitening Toothpaste.