Does green tea stain teeth?

Updated: Sep 10, 2019




Green tea is a great caffeinated alternative to coffee with many health benefits when taken clear without milk or sugar. If you’re one of those who have converted, thinking they’ve escaped their biggest stain causer - think again! Does green tea stain teeth? Both drinks are culprits in staining your pearly whites. Some teas stain more than others depending on how darkly pigmented they are. Some teas may even stain your teeth more than coffee.


Coffee and herbal teas contain tannins, which are organic substances found in plants. Tannins are what stain your enamel. Green tea is also naturally acidic, which plays a part in the discoloration of your teeth. The acidity increases the porosity of your enamel, opening it up to staining molecules.


To help minimize staining caused by drinking tea, stick to lightly coloured flavours or opt for a shorter steeping time. You can also try drinking with a straw. None of these options appeal to you? You can drink your tea/coffee and have a white and bright smile too! Mint Smilebar has a premium home whitening kit that gives you instant results in one session. Use it for 30 mins for a quick brightening, or up to 60 mins for a smile transformation!


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