Bath salts
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The name bath salts is applied to a range of soluble solid products designed to be added to a bath, either to improve cleaning, provide a medical improvement, or to improve the experience of bathing. These are usually inorganic.
Such salts include:
- magnesium sulfate (Epsom salts)
- sodium chloride (table salt)
- sodium bicarbonate (baking soda)
- sodium hexametaphosphate (Calgon, amorphous/glassy sodium metaphosphate)
- sodium sesquicarbonate
- borax
Although many organic substances commonly used in or with bath water are salts (such as soap and many other surfactants), these are not usually called "bath salts". However, this does not rule out the possibility of low formula weight organic salts such as sodium citrate being called bath salts.
As with the naming of other additives, mixed preparations consisting largely though not entirely of salts as described herein may be called "bath salts".