How does potassium nitrate in this toothpaste help with tooth sensitivity?

Potassium nitrate works by calming the nerves inside dentin; the potassium ions penetrate the tubules and lower nerve excitability, which reduces the sharp pain triggered by hot, cold or sweet stimuli.

Is the presence of sodium lauryl sulfate and limonene likely to cause irritation for users with very sensitive gums?

Sodium lauryl sulfate is a foaming agent that can strip natural moisturising lipids, and limonene is a fragrance component that may act as an allergen, so both ingredients have the potential to irritate or inflame highly sensitive oral tissues.

Can this toothpaste be safely used together with whitening strips or peroxide-based mouthwashes?

The toothpaste can be used alongside whitening strips or peroxide mouthwashes, but it is advisable to apply the whitening product first, rinse thoroughly, and then brush with the toothpaste to avoid excessive peroxide exposure and to maintain the desensitizing benefits of the fluoride-potassium nitrate blend.

Auchan • 0.075 l

Auchan - dentifrice - soins sensibles - dents sensibles - 75ml

Beauty

Product Insights

Auchan's 75 ml Sensitive Teeth Toothpaste is a conventional oral-care gel formulated to relieve dentine hypersensitivity and protect enamel. It combines potassium nitrate and sodium fluoride to desensitize nerves and remineralize teeth, while hydrated silica provides gentle abrasion for plaque removal. The formula also contains sodium lauryl sulfate, fragrance, limonene and synthetic colorants, which may irritate very sensitive mouths or trigger allergies.

Comparative Analysis

Positioned as an affordable store-brand toothpaste for sensitive teeth, this product differentiates itself with a fluoride-potassium nitrate blend for desensitization, yet it follows the standard conventional ingredient profile of SLS, synthetic dyes and preservatives common in mass-market oral care.

Ingredients

Aqua, sorbitol, hydrated silica, potassium nitrate, tetrapotassium pyrophosphate, sodium lauryl sulfate, aroma, xanthan gum, sodium fluoride, sodium saccharin, sodium benzoate, cetylpyridinium chloride,limonene,ci77891,ci73360

84%

35%

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Frequently Asked Questions

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Auchan • 0.075 l

Auchan - dentifrice - soins sensibles - dents sensibles - 75ml

Beauty

Product Insights

Comparative Analysis

Ingredients

84%

35%

Unlock Deep Cosmetic Safety Check

Scan this and millions of other cosmetics with the free NutrScan app to discover ingredient safety, potential concerns, and detailed product analysis before every purchase.