Natural blue dye is the oldest known man, which comes more than 6000 years the population living in the tropics of the world have different types of trees, blue from their regions, but the high quality of production from Asian blue like the blue from India of British people, rather than the German and France blue from the blue, but using only 4% of the reduced around the world in the year 2535 (1992) 2457, about our country, later met with a problem. One of the causes of pollution from the environment. Caused by synthetic chemicals, including dyes. Fabric dyes, mainly heavy metal oxide, which many types of heavy metal as a carcinogen. Enter and feel hot, so turned to popular natural dyes, which at the same time, they have taken an old wisdom that has been inherited from ancient times from almost a rumor gone. The main profession of development back to the offspring in today.
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