<P> Perfume oils are often diluted with a solvent, though this is not always the case, and its necessity is disputed . By far the most common solvent for perfume oil dilution is ethanol or a mixture of ethanol and water . Perfume has a mixture of about 10--20% perfume oils mixed with alcohol (acting as a diffusing agent delivering the fragrant odor) and a trace of water . Colognes have about 3--5% perfume oil mixed with 80--90% alcohol with about 5 to 15 percent water in the mix . Originally, eau de cologne was a mixture of citrus oils from such fruits as lemons, oranges, tangerines, limes, and grapefruits . These were combined with such substances as lavender and neroli (orange - flower oil). Toilet water has the least amount of perfume oil mixture among the three main liquid "perfumery" categories . It has only about 2 to 8 percent of some type of perfume oil and 60--80% alcohol dispersent with water making up the difference . Toilet waters are a less concentrated form of these above types of alcohol - based perfumes . Traditionally cologne is usually made of citrus oils and fragrances, while toilet waters are not limited to this specification . </P> <P> In the fourteenth century Hungarian Eau de toilette, predecessor of eau de cologne, was produced . Queen Elisabeth of Hungary (1305--1380) had created a fragrant oil mix with alcohol that evaporated slowly on her skin . Hungary Water was the first toilet water developed . This toilet water was called "eau de la reine de hongrie", and was based on rosemary . </P> <P> King of France Louis XIV (1638--1715) used a concoction of scents called "heavenly water" to perfume his shirts; It consisted of aloewood, musk, orange flower, rose water and other spices . </P> <P> Some Eau de toilette were once considered restorative skin toners with medical benefits . The journal Medical Record reported in 1905 that a toilet water spray restores energies lost in business, social, and domestic situations . During the fourteenth through sixteenth centuries a type of toilet water called "plague waters" was supposed to drive away the bubonic plague . </P>

Where did the term toilet water come from