Social media claims about the magic mixture of toothpaste, baking soda and hydrogen peroxide guaranteeing white teeth are not only false, but they also pose health and safety risks. 

An image circulating on social media claims that a mixture of toothpaste, baking soda, and hydrogen peroxide can make your teeth “snow white”. “Is it true?” asked one of our readers. The answer is no. 

Here’s why: While toothpaste helps clean the teeth and remove surface stains, it does not change the natural colour of the teeth. In fact, excessive use of toothpaste can potentially damage the enamel of the tooth surface. Similarly, baking soda, a mild abrasive, can help scrub away stains and make the teeth appear whiter. However, it can also erode the enamel, the protective outer layer of the teeth. 

Hydrogen peroxide (H2O2), a bleaching agent that can penetrate the enamel and break down the molecules that cause discolouration, should only be used in a safe and controlled manner. It can cause tooth sensitivity, gum irritation, and enamel erosion, especially at higher concentrations or longer exposure times. Additionally, hydrogen peroxide can interact with other ingredients in toothpaste, such as fluoride, and reduce their effectiveness or cause adverse reactions. 

Also Read: Explainer: What teeth whitening can and cannot do

‘Do it yourself’ (DIY) teeth whitening treatments may seem easy and harmless. However, they pose health and safety risks, and are not a substitute for regular dental care and professional treatments. It’s best to consult a dentist and seek expert advice. 

(Medically reviewed by Dr Ulfat Fathima Nazeer, a general dentist based in Dubai, UAE.)