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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 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 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
Laser hair removal relies on pigment in the hair root to absorb light energy and disable the follicle.
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Leslie Baumann,
Miami Herald,
1 Apr. 2026
Not only does the light-as-air foam's violet pigment tone hair, the formula removes metals and minerals that cause brassiness and uses a polymer to stop additional metals and minerals from reattaching to strands.
There was a push to use American dyes and colorants to stave off a deep economic recession—there wasn’t really any other choice—but the cold commercial reality dumped water all over that flag-waving parade.
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Literary Hub,
Literary Hub,
2 Apr. 2026
But that other supplier would have to try to reverse engineer that particular dye — formulas for dyes and colorants were, in spite of being in service to the war effort, still proprietary — and backward engineering color from a finished product is a crapshoot.