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  • A unique ingredient

A unique ingredient

Castéra-Verduzan Thermal Spring water is a genuine source of benefits for the mouth.

This Thermal Spring water flows and slowly draws through different geological layers over time. This natural process fortifies it with mineral salts and trace elements, leaving it with the equivalent of 1301mg/l of dry residue when the water is evaporated at 180°C. Rich in sulphates, calcium, and magnesium which procure specific therapeutic benefits to this water.

BUCCOTHERm thermal water composition

Directly drawn at the Thermal source, this Thermal Spring water is first analyzed in our laboratory before being piped into three production areas. Through a unique patented process, BUCCOTHERM® restores an alkaline pH to the water which gives it a specific action in the fight against mouth acidity, or the cause of tooth decay and caries/cavities.


Its noticeable properties on gums and teeth have been scientifically proven by numerous research.     


Composition of the Thermal Spring water Thermal Spring water's Actions on mucous membranes and teeth
Rich in mineral salts and trace elements (sulphates, bicarbonates, calcium, magnesium, fluoride and iron) This mineral and element composition gives it healing, soothing and remineralizing properties.
Saturated in oxygen Its high concentration in oxygen has an impact on anaerobic germs. These infectious germs are destroyed by oxygen.
Alkaline pH (pH = 8) An alkaline pH regulates mouth acidity, the main factor causing an unbalanced oral ecosystem.
100% respectful of mouth flora