The company made use of burgeoning microneedle patch technology, placing the microneedles in select designs like stars and hearts on the patch, and embedding pigments in the miniscule needles.
—
Avery Stone,
Time,
15 Oct. 2026
It was painted using a technique in which pigments are mixed with molten wax, and restorers were able to recover the features of the brother on the right.
How light turns the tattoo on and off The key to PhotoTat is a class of chemicals called photochromic dyes, which change colour when exposed to particular wavelengths of light.
Last week, China launched an anti-dumping investigation into imports from the EU of p-nitrotoluene, a chemical compound used in dyes and pharmaceuticals.
Updates across the lists include new restrictions on flame retardants and colorants, new or tightened limits on some chemicals and metals, and new substance limits for jewelry.
—
Cleo Levin,
Footwear News,
10 Aug. 2026
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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