Magnesium sulfate (medical use) ionic strength prevents some of the temporary skin wrinkling (partial maceration) which is caused by prolonged immersion of extremities in pure water. Magnesium and sulfate ions are naturally present in some mineral waters. The claimed health benefits of Epsom Salt baths have not been proven. A magnesium sulphate paste is also available which is claimed to be useful for small boils or localised infections. The standard British Pharmacopoeia composition is dried Magnesium Sulfate 47.76 % w/w, Phenol 0.49 % w/w. and glycerol (E422). Magnesium sulfate has been used as an experimental treatment of Irukandji syndrome caused by envenomation by certain
Hydrated silica Opal: Paint/Varnish: Beer: Hydrated silica Hydrated silica is a form of silicon dioxide, which has a variable amount of water in the formula. When dissolved in water it is usually known as silicic acid. It is found in nature, as opal (which has been mined as a gemstone for centuries), and in the cell walls of diatoms. It is also manufactured for use in toothpaste. Once dehydrated the gel is used as a desiccant known as silica gel. It is also used in various paints and varnishes and in the production of beer. In its pure form, as manufactured for