My Pharmacy in Spain recommends this product because its benefits are:

Desensitizing action due to its high content of potassium nitrate.

The properties of sodium fluoride exert a remineralizing and anticavity action.

The soothing and regenerative properties of ingredients such as dexpanthenol and laureth-9 keep teeth healthy and protected.

How to use: Apply 3 times a day to the affected area after eating. 

Ingredients:

Potassium nitrate 10%: desensitiser.
Sodium fluoride: remineralising and anti-cavity action.
Triclosan: antiseptic and anti-plaque.
Dexpanthenol, allantoin, laureth-9 and dipotassium glycyrrhizate: soothes and regenerates