Composed of a single proton and a single electron, hydrogen is the simplest and most abundant element in the universe. It is estimated that 90% of the visible universe is composed of hydrogen. Hydrogen is the raw fuel that most stars 'burn' to produce energy. The same process, known as fusion, is being studied as a possible power source for use on earth. The sun's supply of hydrogen is expected to last another 5 billion years. Hydrogen is a commercially important element.
Eau de toilette is a lightly scented cologne used as a skin freshener. The term toilette/toilet used in this context describes the process of washing and personal grooming. Eau de toilette is also referred to as aromatic waters and has a high alcohol content.
Well, there are five different types of aromatic means: Perfume Extract Eau de Parfum Eau de Toilette Eau de Cologne Splash and After Shave The important difference is the amount of perfume oil in each one. Eau de Toilette has 5-15% of perfume oil where as Eau de Parfum has 10-20%. Don't worry, you are not spritzing toilet water on yourself!!