One method of classification of perfumes is according to their concentration. Perfumes are basically aromatic compounds dissolved in a solvent (ethanol or a mix of water and ethanol) and depending of the amount of the essential oils or aroma...
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Incense (coming from Latin “incendere” which means “to burn”) is a type of material (often made from biotic materials) that is burned to release a pleasant smell through smoke. Many religions use it during their ceremonies but it also...