London: Superstar Brad Pitt has reportedly stopped using soap in favour of a home-made concoction of lemons, water and apple cider vinegar. The 'World War Z' actor is said to have gone traditional with his washing methods because he thinks it is better for the environment, reported Contactmusic. "Brad says he's read up on the toxins of soap - especially the antibacterial ones - and feels that using them and antiperspirants is not only bad for the planet, but it also speeds up the ageing process in humans," a source said. Pitt, 49 is currently filming 'Fury' in London, while his partner Angelina Jolie, 38, is directing her second movie, 'Unbroken', in Australia. They are said to be planning to meet up in Hong Kong before Christmas.