Body Image - Series 3 - How Dirty Can I Get?

Concerned by claims from some scientists and campaigners that chemicals found in certain toiletries and cleansing products could have potentially harmful effects, mother-of-three Nicky Taylor and comedian Tim FitzHigham decide to give them all up for a month in a unique scientific experiment. Microbiological tests taken at the beginning and end of the experiment show exactly how much bacteria grows on them and which parts of their body are most affected.