Article: But does it rot your shorts?

SOAP WARS have broken out between two of the biggest manufacturers of washing powder over the multi-billion-pound business of getting clothes "whiter than white".

Procter and Gamble, makers of Ariel and Bold, claimed that Persil Power, made by Unilever, contains a substance that can "rot" boxer shorts and briefs. Unilever, which spent pounds 100m over five years developing Persil Power, vehemently denied the accusation, taking out full-page newspaper advertisements to get its message across.

At the centre of the dispute is a patented "accelerator" which Unilever says helps the other ingredients to work faster, leading to shorter washes and less damage to clothes. Procter and Gamble, however, ...

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