The American Dental Association (ADA) has not approved any purple toothpaste for safety and effectiveness. It does have good lab-based evidence to back its claims, according to our experts, but they did note that lab-based test results aren't always replicated in the real world. This toothpaste came out top for its whitening effect with our testers, with the majority saying they would continue to use it after the trial.

We brushed day and night, for the recommended two minutes a session, using the Oral-B iO 9 ultimate clean electric toothbrush, to ensure consistency. Well, ultimately, it’s hard to say how many years of staining it took off our gnashers, but it certainly made a dent.Activated charcoal and some other types of abrasive showed some, less significant, whitening effect. I have sensitive teeth (I usually use Sensodyne) which is usually most noticeable with cold food and beverages. That can only be achieved by a dentist’s use of professional products that contain hydrogen peroxide, and should only be used once in a while. Most whitening toothpastes won’t brighten your teeth overnight but, when used regularly, they can remove existing surface stains and protect your teeth against future stains, too. Colgate, a very familiar name in the dental care sector, has an almost baffling range of whitening toothpaste.

People with food dye allergies are also at risk of allergic reactions to purple toothpaste, said Cellars.

Other than that, if you are looking to get a whiter smile more generally, opt for non-abrasive dentist-approved toothpaste that help to remove any stains from the surface of the tooth while also whitening. I have really noticed a difference in how white my teeth have got over time, but also immediately after using. A mix of exfoliating and bleaching ingredients silica and sodium bicarbonate left our teeth around two shades lighter and a lot brighter. Whitening toothpaste is a simple way of getting even more out of the twice-daily habit of brushing your teeth. Clearpay lends you a fixed amount of credit so you can pay for your purchase over 4 instalments, due every 2 weeks.

We have a separate guide to sensitive teeth toothpastes which may also be of interest if you suffer from this problem. Charcoal toothpastes are now a common sight on supermarket shelves, with claims that the natural properties of charcoal will have a whitening effect on the teeth. In the end, I personally found that there was an ever-so-slight difference in whiteness, but perhaps only noticeable enough for me to tell.

And we appreciated that the formula stuck to a traditional minty taste that left us with fresh breath, making it our favourite overall. Colgate claims the toothpaste is made up of nine ‘consciously selected ingredients’ and is suitable for vegans, thanks to an absence of glycerol. Whitening strips:OTC strips containing 5-14% hydrogen peroxide are placed on the teeth for about 30 minutes, bleaching internal and external tooth stains.

These two work more quickly and more effectively than the POPWHITE, but they did cause more tooth sensitivity. When it comes to stain removal this minty fresh, frothy formula contains hydroxyapatite, an exciting new mineral that’s the building block of natural enamel.

While you brush away plaque and debris and prevent cavities, the addition of whitening ingredients like hydrogen peroxide can also remove stains caused by things like drinking coffee, tea, red wine, or even smoking. Standing out in the sterile-looking dental world, Marvis manages to blend fashion and function thanks to its sleek branding and efficient whitening formula.