Can Lemon and Salt Really Whiten Teeth? Experts Weigh In

Jun 21, 2025 Siddhartha Jana

Viral DIY hack claims

Content creator Manju Mittal recommends lemon, rock salt, and mustard oil as an instant teeth-whitening solution—but experts urge caution. Source: Canva

Dentist warns against overuse

Dr. Gunita Singh says while DIY remedies may seem harmless, ingredients like salt and mustard oil can irritate gums if used frequently. Source: Canva

Citric acid can harm

Lemon is high in citric acid. Daily use can erode enamel and lead to tooth sensitivity, making your teeth more vulnerable in the long term. Source: Canva

Use with caution

Even in clinical whitening, overuse can damage teeth. Natural doesn’t always mean safe—moderation is key in any whitening approach. Source: Canva

Safer alternatives exist

Strawberries and banana peels are gentler home options for teeth whitening, according to Dr. Singh, and less harmful to enamel and gums. Source: Canva

Professional help is best

For reliable, fast, and safe results, visiting a dentist is still the most effective way to whiten teeth without risking oral health. Source: Canva

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