Home treatments for whiter teeth

Dossier : White teeth: how can you rediscover a bright white smile?

have whiter teeth, treat yellow teeth

Do you have dull teeth and no longer dare to smile? Rest assured, when the enamel staining is superficial, it is reversible. You can improve their colour at home with 'home treatments'.


Tooth enamel is like a mirror. It reflects light. Over time, its reflective capacity declines. Whitening toothpaste works with the light by making the surface of the teeth smoother and subsequently brighter. Thus, whitening toothpastes do not change the colour of the teeth. They gradually polish their surface to make them shine.  

→ Practical advice

Whitening toothpastes can tend to be abrasive, try using LISTERINE® STAY WHITE MOUTHWASH after brushing with your regular toothpaste. Formulated with zinc chloride,  LISTERINE® STAY WHITE MOUTHWASH helps reduce tartar to prevent stains.


Whitening kits can be used if the colour of the teeth is due to external factors, (food, cigarettes, etc.). They contain products that are to be applied directly to the teeth after brushing. These products are based on substances that contain or release hydrogen peroxide (oxygenated water). Their concentrations are lower than in the products used in dentist surgeries. However, depending on the concentration, the length of time the product is left on and the frequency of application, the action of these products is more or less quick, more or less intense and can lead to tooth hypersensitivity, changes in the enamel and irritation. 

As a precaution:

  • examination by a dentist is recommended before undertaking any tooth whitening treatment
  • use your kit on healthy teeth
  • limit the length and frequency of the treatment in order to avoid altering the enamel
  • always read the instructions carefully

→ Practical advice

Warning! The use of pure powdered bicarbonate is strongly discouraged as it is extremely abrasive.  You would wear away your tooth enamel which would have irreversible consequences. Similarly, lemon juice can have negative effects. It acts on tartar and plaque but its very high level of acidity results in the demineralisation of the enamel.

Ref: J&J interanal data

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