I'm interested in <a href=" http://www.playingparent.co.uk/where-can-i-buy-levothyroxine-uk.pdf#buyer ">where to buy levothyroxine online in uk</a> Ads for toilet soap, Wright said, have persuaded 71 million people in Africa and south Asia to wash their hands before meals &ndash; while delivering double-digit sales growth for Lifebuoy. Similar probing has helped Unilever come up with a campaign to persuade children to brush their teeth twice a day. The breakthrough uncovered by the hidden persuaders was to recruit fathers. The 'brush day and night&rsquo; commercials now on TV screens round the world, in which children have fun brushing their teeth with their father every night, is delivering 'a great win-win outcome: improving children&rsquo;s oral health and helping us grow our business,&rsquo; BV Pradeep, the consumer insight vice-president, said. Signal toothpaste sales are up 22 per cent.