Hydrogen peroxide (a bleaching agent) is commonly used in whitening toothpastes, but it's a bit of a red herring as the legal limit for over-the-counter toothpastes is too low to actually affect the colour of your teeth. Arginine, stannous fluoride, potassium nitrate, and Sensodyne's Novamin all have proven sensitivity-reduction properties. Where to buy cheap toothpaste Glucose oxidase and zinc are antibacterial agents that help with mild to moderate gum disease, stannous fluoride and stannous chloride can reduce toxins that cause inflammation. Colgate said evidence for this formulation was also commercially sensitive, but there is evidence that the zinc oxide and zinc citrate combination used has antibacterial properties, which our experts said should give this product advantages in reducing gum inflammation vs basic fluoride toothpastes.

But, you can find the same or similarly effective stain-removal ingredients in cheaper products too. Boosts good bacteria and reduces bad bacteria to help fight the causes of cavities and gum problems We asked a panel of dental experts to examine the evidence behind claims on six premium toothpastes and give their verdict on when it's worth spending more. How to choose the right toothpaste - which ingredients really work, and what to consider before you buyReusable eco period products - we run through the options, potential savings and insights from users, plus see how M&S vs Primark period pants compare There isn’t enough clinical evidence to support cannabidiol, aloe vera, or vitamin E for gum health, and as with Colgate's gum toothpaste, ‘invigorate gums’ is not a scientifically meaningful phrase. But there are also plenty of marketing claims, such as ‘strengthens enamel’ and ‘prevents decay’, that are redundant because all fluoride toothpastes, regardless of price, will do these things.

Eugenol and ginseng root extract may have antibacterial properties that help reduce gum swelling or bleeding, but we didn’t see robust evidence about their concentration or action in this specific toothpaste. If you don't have any particular dental issues, a standard fluoride toothpaste will do the job just fine. Whitening

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Based on the evidence given by LA Pacific, stain removal using this toothpaste would be better than basic fluoride toothpaste, but the claim it can ‘brighten’ teeth with ‘natural bleach’ might be overstating things. Our research found that, while claims were generally supported, the overall benefits of expensive formulations may only be marginal. For serious whitening (aka a celebrity-level 'Hollywood smile'), you need to get professional bleaching treatment. Beware of attempting to DIY it and buying whitening products online - in an investigation earlier in 2022 we found some that contained dangerous levels of hydrogen peroxide. Gum health