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Making your own mordants for natural dyes useful for successful dyeing. Certain plant materials contain high concentrations of tannic acid, or tannin, which works well as a mordant to bond color ...

"There's been a huge rise in interest over the last two or three years," said Sasha Duerr, author of "The Handbook of Natural Plant Dyes" (Timber Press, 2011), who teaches natural dye techniques ...

Its most standout practice is the use of non-toxic plant-based dyes. All dyes are formulated and applied in-house in Austin, which is highly unusual since dyeing for most fashion labels happens ...

The technique enables the researchers to then identify the plant species from which the colorants came. Determining the source of dyes could open a new window on how ancient people used natural ...