Just how lovely is that brightly coloured top you’re wearing?

The average exhaustion rate is 80% for most textile dyes (20% of the dyestuff is expelled with the waste-water) and 80% of the dyestuff remains in the fabric. In other words, those chemicals used in the dye will remain in the clothes you wear next to your skin.

Cadmium, chromium, cobalt, copper, nickel, mercury, lead, antimony and arsenic are all typical toxic chemicals used in textile dyes.

If possible look for dyes that have been certified by a third party, such as GOTS, where toxic chemicals are restricted to lower levels (rather than prohibited as many people believe).

The dye formulation means a lot when you’re evaluating the eco credentials of clothing.

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