Isotonic nasal spray


New product

5,00 €

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Isotonic nasal spray

Cleanses and humidifies sensitive nasal mucous membranes

To know more:

CASTERA® isotonic nasal spray humidifies dry nasal mucous membranes and helps to thin out dried up mucus secretions. Thanks to the purity and unique mineral composition of Castéra Thermal water, CASTERA® nasal spray is suitable for users with sensitive mucous membranes to help reduce the presence of pollen, dust, allergens and/or other irritants in the nasal cavity.

The addition of seawater rich in marine salts makes the solution isotonic (the salt concentration is identical to the physiological concentration of the cells of the nasal mucous membranes). Preservative-free.


We formulate our products with as few ingredients as possible by selecting only natural and organic ingredients from plant origins in order to ensure the purity and natural quality of our products.

Thermal Spring water from Castéra: Present in all our products, this water is recognized for its soothing, antioxidant, and anti-inflammatory qualities since 1817.

Seawater: The addition of Seawater makes the solution isotonic.

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Isotonic nasal spray

This Isotonic nasal spray is made with Thermal Spring water from Castéra which cleanses and humidifies sensitive nasal mucous membranes of your little ones. CASTERA® nasal spray helps to humidify and flush away dried nasal secretions. 

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