You can only see the print after making the fabric wet. Add some surprises to your outfit!!

Hydrochromic inks change colour (become transparent) when wet or if moisture is present. Apply these inks over the surface or material you want to hide- so when wet, all will be revealed!

Wet and Reveal Screen ink can be printed on various substrates such as paper, cards, print receptive plastics and even textiles. Tests should be carried out to determine suitability for the substrate and application chosen.

When a highly permanent print on textiles is required the dried wet and reveal print can be crosslinked by baking for 3 – 5 minutes at 130ºC.

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information source: https://www.colourchange.com/works-hydrochromic/