Because they are better than synthetic dyes. Indeed, the natural dyes are better products, simply because they do not contain chemicals harmful to health.
Although common sense tells us that natural dyes are better than synthetic dyes chemical industry wastes no time promoting its products, has even launched a campaign called OEKOTEX confusion, which is not simply the promotion of "Confidence in Textiles" by an association of manufacturers of chemical dyes and have the merit of having ruled out the production of azo-dyes,
What is Life Cycle Assessment (LCA)? LCA is the process of analyzing the product's environmental impact - energy and material use, water, air and soil pollution - for the entire product life cycle from 'cradle to grave.
Water is used in the extraction phase, the dyeing phase and rinsing of excess unfixed dye into the fibers. The water source is an artesian well, do not use treated water for human use.
There is currently no list of hazardous dyes, there is only a list of aromatic amines are colors prohibited. This proved that the dye made from banned amines are known carcinogens.