For the majority of the hundreds to thousands of years where dyeing has been utilized by human being to decorate clothing, or fabrics for more utilizes, a primary source of dyestuff has been nature, with a dye existence extracted from either animals or plants. In the previous ii centuries, homo stand produced artificial dyestuff to achieve specific colours, and to render a dyes 'convenient', and so that it don't do whenever the material is washed.

Dyestuff come applied to lesson by straight application, or even even even by immersing the yarn or material in the liquid dyestuff or a solution of the dye.

Sequentially to dislodge natural or even unwanted colour from either lesson, a opposite run of bleaching is carried out.