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Textiles in direct contact with human skin are problematic due to the possibility of contamination of dyes or aromatic amine metabolites through direct contact. Therefore, it may pose potential health risks when people wear and use textiles containing such dyes.
The carcinogenic dye discussed in this article is a cancer-causing dye on its own without any reduction or other reactions, but for a long time it will directly lead to cancer or the human body. Given the serious harms of carcinogenic dyes, authorities in many countries and the world have issued strict regulations and technical standards to limit them.
Most of the colorants used in the textile industry are soluble dyes and 70-80% of them are azo dyes. Also, most of the (insoluble) pigments on the market are azo pigments. Azo dyes are widely used as a colorant in clothing, home textiles, leather industry and other industrial sectors.
Some azo dyes can break down into dangerous aromatic amines, which can cause serious diseases such as cancer, as well as environmental damage. Under certain conditions, colorants can be absorbed through the skin of consumers wearing textiles dyed on the skin. They can also be taken orally by infants and young children due to textile absorption.
