The Big Reveal from the Dirty Poll . . .

Press Release:

Dishwashing Bar Solution Proven to be Unsanitary

Philippine Society for Microbiology (PSM) confirm that dishwashing bar solution hasup to 10x level of contaminants than a dirty sock and other dirty household items.

Media guests stare at their appetizers nervously as the screen shows the waiter cleaning plates with his dirty sock earlier that day. Host Duday Gallinguez is quick to reassure the guests that their plates were not cleaned by a dirty sock. However, in an alarming twist, she also revealed that a dirty sock may be a more hygienic option than what many Filipinos currently use to clean their dishes – their dishwashing bar solution.

At an intimate media gathering at Fully Booked, Joy and Dr. Jessica Simbahan from the Philippine Society for Microbiology (PSM) revealed a survey that exposes the shocking truth behind dishwashing bar solutions.

Joy Brand Manager Ms. Jan Ang shared, “Many moms in the Philippines use a dishwashing bar solution, which is made up their leftover laundry soap, water and a dishwashing sponge. These moms believe they are saving money by using their leftover laundry bar to wash dishes. They do not realize that this bar solution is very unsanitary, especially when the bar solution is left exposed for many hours.” As part of Joy’s “‘Nay, Gising!” campaign, Joy commissioned this survey to serve as a wake-up call for Filipino moms and to educate them on proper kitchen hygiene.

Conducted by Dr. Simbahan and a third party research agency, the survey used a luminometer or germ meter to measure the level of contaminants in bar solutions and commonly perceived dirty household items. The bar solution consistently proved to have the highest level of contaminants  among a list of dirty household items that included a toilet seat cover, a toilet bowl rim and a trash can lid. Results even showed that the dishwashing bar solution has 10x the level of contaminants versus a dirty sock.

 PSM President Dr. Supachai Basit explains, “A dishwashing bar solution is a breeding ground for contaminants, including bacteria and other types of germs. This is especially true if the laundry bar is left exposed for many hours and the dishwashing sponge is constantly wet.” In a study from Japan that measure the presence of bacteria in household items, scientists found that the dishwashing sponge was contaminated with several types of bacteria: E. coli and Staph. aureus, which both cause food poisoning, and Ps. aeruginosa, which leads to opportunistic infection.

PSM recommends that Filipino moms throw out their unsanitary dishwashing bar solutions. To help protect their family from germs, moms can trust the only dishwashing liquid accepted by the Philippine Society for Microbiology, new Joy Antibac with Power of Safeguard.

At the end of this press briefing, Ms. Ang assured guests that the dining ware were, in fact, cleaned with Joy Antibac with Power of Safeguard. Guests were free to enjoy their meal, without having to worry about germs.

Stop cleaning with germs! Start cleaning with Joy Antibac with Power of Safeguard for 99.9% germ protection.

Survey Results: Dishwashing Bar Solution has High Level of Contaminants

In February 2012, tests conducted by a third party research agency and the Philippine Society for Microbiology (PSM) measured the level of contaminants in dishwashing bar solutions and commonly perceived dirty household items.

In order to measure level of contaminants, luminometers or germ meters measure adenosine triphosphate (ATP), the universal energy molecule found in animal, plant, bacterial, yeast and mold cells. When ATP is brought into contact with a Luciferase/Luciferin reageant, light is emitted in direct proportion to the amount of the ATP present. The luminometer measures the amount of light generated to determine for the level of contamination. Readings are expressed in Relative Light Units (RLU).

The following table shows the average luminometer readings from tests conducted by a third party research agency and the Philippine Society for Microbiology:


Household Item

Average Reading (RLU)

Bar solution


Toilet seat cover


Toilet bowl rim and sides


Dirty socks


Trash bin cover


Living room floor


Based on test results, the dishwashing bar solution has 10x the level of contaminants than a dirty sock. The dishwashing bar solution also has the highest level of contaminants among dirty household items tested.


Speaker Profiles:

Dr. Jessica Simbahan

She received her doctorate degree in Biological Science from the Univeristy of Nebraska- Lincoln. She is currently a Program Leader for Biotech’s Environmental and Industrial Biotechnological Program, and has been involved in various Biotech projects such as nitrogen fixing systems, microbial diversity of hot spring environments using molecular methods, bioremediation of heavy metals, and others. She is currently a faculty at the University of the Philippines Los Baños and Manila, and the Immediate Former President of the Philippine Society for Microbiology.

Dr. Supachai Basit

He is a registered Medical Technologist and is currently taking his studies for a doctorate degree in Public Health, majoring in Epidemiology at the University of the Philippines- Manila. As an experienced educator, leader and researcher in health sciences, natural sciences and science education for 15 years, he is currently the Dean for the School of Medical Technology and the Head for Health Science Research Cluster at the Emilio Aguinaldo College- Cavite. He is a trained accreditor of the Philippine Association of Colleges and Universities, Commission on Accreditation (PACUCOA) for the areas of Faculty, Instruction and Laboratory in Medical Technology and Biology programs. He is a recipient of PAMET’s Crisanto Almario Memorial Award for Research in 2011, and is currently the National President for the Philippine Society for Microbiology.

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