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Thiourea dioxide (‘thiox’) 100g


Available on backorder


Thiourea dioxide is currently out of stock. Sodium hydrosulphite (‘hydros’ or ‘spectralite’) can be used in the same way and is available here.


Thiourea dioxide, also referred to as ‘thiox’ or under the brand name is an effective, oxygen-reducing agent for use in indigo and woad (vat) dyeing.

Used in conjunction with sodium carbonate (‘soda ash’) it is reliable and straightforward to use.

Can be used as an alternative to sodium hydrosulphite (‘hydros’), or spectralite.

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