Exclusive Double Action White-Tex White System. 1 Brighter Whites powerful whitening agents (with optical whiteners) get to the heart of the fabric while being gentle on fibres. 2 Prevents Greying with its unique formula the sheet neutralises grime & dirt particles from the wash water before they deposit back onto the fabric. The proof is on the Sheet!, the proof is on your Garments! May cause an allergic reaction. Keep out of reach of children. Always read instructions.