The phrase "synthetic dyes" refers to artificially created coloring substances. These dyes are made in a laboratory, rather than being derived from natural sources like plants or minerals. Full definition
Although, some is known of the potential danger to the health of synthetic dyes, very little is known about the production. (treehugger.com)
Many rugs today use synthetic dyes as well as synthetic fibers, which benefits those will allergies as well as anyone looking to avoid using animal products in their home décor. (boldrugs.com)
As with any other food or beverage, avoid synthetic dyes linked to asthma, allergies, hyperactivity, and more. (mindbodygreen.com)