impact of synthetic dyeswhich require the use of toxic fossil fuel byproducts for their productionin manufacturing and there is a growing demand for products that use natural dyes.

Dyes in use in the fashion industry

Because of their different molecular structure, cellulose and protein fibres require different mordant treatments to prepare them for natural dyes.
* Cellulose fibres: cotton, linen, hemp, ramie, bamboo, rayon
* Protein fibres: wool, angora,

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