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Recent Examples of dyestuffThis cutting-edge technology uses membrane separation to extract indigo dyestuffs from wastewater.—Sj Studio, Sourcing Journal, 12 Feb. 2025 Orta has a collection dyed with Tannin, a natural dyestuff made from acorn shells.—Angela Velasquez, Sourcing Journal, 22 Oct. 2024 Adding fuel to the fire, the wastewater generated by these processes can be highly polluting, containing large amounts of dyestuffs and alkaline chemicals.—Sj Studio, Sourcing Journal, 10 July 2024 The common name of the dyestuff, Tyrian purple, derives from the habitat of the mollusks, which the Phoenicians purportedly began harvesting in the 16th century B.C. in the city-state of Tyre in present-day Lebanon.—Franz Lidz, New York Times, 5 Mar. 2024 For most of history, dyestuffs were derived only from natural materials like plants, minerals and invertebrates, offering people a narrow range of colors from which to choose.—Bruce Falconer, New York Times, 28 Feb. 2018 By the close of the 19th century, German dyestuffs dominated the world market, though the first effects of acute exposures were already evident among the earliest generations of dye workers.—Rebecca Altman, The Atlantic, 4 Oct. 2017
To everyone’s surprise, the phytoplankton were not asleep either: Hoppe measured higher levels of the pigment chlorophyll—a useful proxy for active photosynthesis—in the seawater than anyone expected.
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Asher Elbein,
WIRED,
2 Mar. 2025
That green pigment comes from centella asiatica (cica), a skin-care staple that counteracts redness and soothes irritation.
Issued on February 20, 2025, the recall was prompted by the discovery of undeclared sesame, soy, wheat, and artificial food dyes (Yellow No. 5, Yellow No. 6, Red No. 6).
—
Stephanie Gravalese,
Forbes,
28 Feb. 2025
Traps can be dyed using sumac, leaf, or logwood dye, or dipped with commercially-available products like Full Metal Jacket.
Essentially the Keurig of makeup, the first-of-its-kind smart device creates a custom foundation in exactly one minute at the touch of a button, mixing colorants to make a bespoke shade.
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Celia Shatzman,
Forbes,
27 Feb. 2025
The remaining 10% — largely colorants, additives, and contaminants removed during the purification process – are safely managed or sold.
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