Study reveals that bacteria laden soap is not clean

May 9th, 2011 - 7:45 pm ICT by Aishwarya Bhatt  

Ohio, May 9 (THAINDIAN NEWS) Soap is good at keeping bacteria off but being careless with it can be worse, a new study has found. The researchers studied soap dispensers at some elementary schools in Ohio. The researchers published their findings in the journal Applied and Environmental Microbiology.

The study revealed that the number of bacteria on the hands after washing with contaminated soap increased dramatically. The findings present a challenge to the science community. For years, doctors have urged that people should wash their hands as a way to stay healthy. They however recommend that people should choose their soap and dispensers carefully.

There have been previous suggestions that bacteria can grow near soaps. The scientists still suggest that people should continue washing their hands with soaps. One way that bacteria are spread is through contact so health officials recommend the use of dispensers that have replaceable nozzles.

The research was led by a microbiologist at Gojo Industries, Carrie Zapka. Zapka and a group of researchers decided to commence investigation when they got a soap with a mould growing on it. When they put the soap under the microscope, they found bacterial contamination.

The researchers added bacteria to two soap dispensers and asked the participants to wash their hands with them. When their hands were tested, it was found that the bacteria count was higher than before they washed their hands with the soaps.

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