Soap wars: Protex canât claim to ânaturallyâ fight germs with flaxseed oil in its soap Business Insider SA facebook email Protex still can't be advertised as a soap that can 'naturally protect against germs' because of the flaxseed oil ingredients in its soap. The soap maker lost an appeal in a long battle with its competitor, Reckitt Benckiser, which manufactures Dettol products. Reckitt Benckiser For more stories, go to . The Advertising Regulatory Board (ARB) has dismissed an appeal by the makers of Protex, which had been ordered to remove claims on its packing that it provides "natural antigerm" protection because of one particular ingredient in its soaps: flaxseed oil.