A power that is Bright! Post-spotting powder for stains of ink
and colored stains.
Blankotex bleaching agent helps whiten, brighten, and removes all
bleachable stains on all kind of textile.
Blankotex removes tenacious stains like coffee, tea, red wine, fruit
juice, fruit, ketchup, vegetables, grass, and other substances.
Link to article on CINET: https://www.cinet-online.com/seitz-blankotex-helps-with-tenacious-stains/