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Do Antibacterial Do Antibacterial Products Products Really Kill? Really Kill?

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Page 1: Do Antibacterial Products Really Kill?. Question Will Germ-X really kill 99.99% of germs on hands, as claimed in their advertisements? Will Germ-X really

Do Antibacterial Products Do Antibacterial Products Really Kill?Really Kill?

Page 2: Do Antibacterial Products Really Kill?. Question Will Germ-X really kill 99.99% of germs on hands, as claimed in their advertisements? Will Germ-X really

QuestionQuestion

• Will Germ-X really kill 99.99% of Will Germ-X really kill 99.99% of germs on hands, as claimed in their germs on hands, as claimed in their advertisements? advertisements?

• Will antibacterial soap 99.99% of Will antibacterial soap 99.99% of germs? germs?

• Will antibacterial wipes kill 99.99% of Will antibacterial wipes kill 99.99% of germs? germs?

Page 3: Do Antibacterial Products Really Kill?. Question Will Germ-X really kill 99.99% of germs on hands, as claimed in their advertisements? Will Germ-X really

ResearchResearch

Helpful information from my research:Helpful information from my research:

“ “Germ-X contains 62 % alcohol, and does Germ-X contains 62 % alcohol, and does kill 99.99% of the viruses that make you kill 99.99% of the viruses that make you sick.” sick.”

My research indicates antibacterial soap is My research indicates antibacterial soap is just as effective at killing bacteria as just as effective at killing bacteria as regular soap.regular soap.

My research also indicates the antibacterial My research also indicates the antibacterial wipes (depending on the brand) are only wipes (depending on the brand) are only effective on one bacteria type.effective on one bacteria type.

Page 4: Do Antibacterial Products Really Kill?. Question Will Germ-X really kill 99.99% of germs on hands, as claimed in their advertisements? Will Germ-X really

Materials• 10 unprepared Petri dishes.• Auger• 5 prepared Petri dishes• Sanitized Q-tips • Germ-X• Antibacterial soap• Antibacterial wipes• A warm and dark place for the Petri dishes,

which will allow the bacteria to grow.

Page 5: Do Antibacterial Products Really Kill?. Question Will Germ-X really kill 99.99% of germs on hands, as claimed in their advertisements? Will Germ-X really

ProceduresProcedures with the 10 with the 10 unprepared Petri dishesunprepared Petri dishes

Using a “Sharpie”, I split the Petri dishes in half.Using a “Sharpie”, I split the Petri dishes in half. I made a control sample of no germ contamination.I made a control sample of no germ contamination. I “contaminated” the Petri dishes by rubbing sanitized Q-I “contaminated” the Petri dishes by rubbing sanitized Q-

tips over designated surfaces, and then wiping the Q-tips tips over designated surfaces, and then wiping the Q-tips onto the Petri dishes.onto the Petri dishes.Designated Surfaces: Designated Surfaces: My brother’s handsMy brother’s handsThe door knobThe door knobThe TV remote controlThe TV remote controlI allowed the contaminated Petri dishes to grow for one week.I allowed the contaminated Petri dishes to grow for one week.I documented (using a camera) the bacterial growth after one I documented (using a camera) the bacterial growth after one

week, and then again after two weeks.week, and then again after two weeks. Note:Note: After 2 weeks, the bacterial growth was too advanced to After 2 weeks, the bacterial growth was too advanced to

differentiate the various germ colonies. At this point, I started differentiate the various germ colonies. At this point, I started my experiment over.my experiment over.

Page 6: Do Antibacterial Products Really Kill?. Question Will Germ-X really kill 99.99% of germs on hands, as claimed in their advertisements? Will Germ-X really

ProceduresProcedures with the with the 5 prepared dishes5 prepared dishes

Using a “Sharpie”, I split the Petri dishes into thirds.Using a “Sharpie”, I split the Petri dishes into thirds. I made a control sample of each of the following: no germ I made a control sample of each of the following: no germ

contamination, Germ-X, antibacterial soap, and antibacterial contamination, Germ-X, antibacterial soap, and antibacterial wipes.wipes.

I “contaminated” the Petri dishes by rubbing sanitized Q-tips I “contaminated” the Petri dishes by rubbing sanitized Q-tips over designated surfaces, and then wiping the Q-tips onto over designated surfaces, and then wiping the Q-tips onto the Petri dishes.the Petri dishes.

Designated Surfaces: Designated Surfaces: My brother’s handsMy brother’s hands The door knobThe door knob The TV remote controlThe TV remote control I allowed the contaminated Petri dishes to grow for one I allowed the contaminated Petri dishes to grow for one

week.week. I documented (using a camera) the bacterial growth after I documented (using a camera) the bacterial growth after

three days, one week, and ten days.three days, one week, and ten days.

Page 7: Do Antibacterial Products Really Kill?. Question Will Germ-X really kill 99.99% of germs on hands, as claimed in their advertisements? Will Germ-X really

DataData The data proved my hypothesis.The data proved my hypothesis. The The

control groups (no germ killing treatment) control groups (no germ killing treatment) showed significant and disgusting bacterial showed significant and disgusting bacterial growth. growth.

The Germ-X groups showed none, or very The Germ-X groups showed none, or very small bacterial growth. small bacterial growth.

The antibacterial soap groups showed The antibacterial soap groups showed slightly more bacterial growth than the slightly more bacterial growth than the Germ-X groups. Germ-X groups.

The antibacterial wipe groups had several The antibacterial wipe groups had several small colonies of bacterial growth.small colonies of bacterial growth.

Page 8: Do Antibacterial Products Really Kill?. Question Will Germ-X really kill 99.99% of germs on hands, as claimed in their advertisements? Will Germ-X really

ConclusionConclusion

If you use Germ-X then you can be confident If you use Germ-X then you can be confident about having killed the bacteria on your hands. about having killed the bacteria on your hands. If you wash your hands with anti-bacterial If you wash your hands with anti-bacterial soap, you can be fairly confident that you have soap, you can be fairly confident that you have killed most of the bacteria on your hands. If killed most of the bacteria on your hands. If you use anti-bacterial wipes, you can be you use anti-bacterial wipes, you can be reasonably sure you have killed most, but not reasonably sure you have killed most, but not all of the bacteria on your hands.all of the bacteria on your hands.

Page 9: Do Antibacterial Products Really Kill?. Question Will Germ-X really kill 99.99% of germs on hands, as claimed in their advertisements? Will Germ-X really

Interesting FactsInteresting Facts

Most wipes actually spread bacteria Most wipes actually spread bacteria (disinfectant or not)(disinfectant or not)

Germ-X is associated with the Red Germ-X is associated with the Red Cross.Cross.

Telephone buttons and play ground Telephone buttons and play ground equipment have more germs than equipment have more germs than fast food restaurant bathrooms.fast food restaurant bathrooms.

Page 10: Do Antibacterial Products Really Kill?. Question Will Germ-X really kill 99.99% of germs on hands, as claimed in their advertisements? Will Germ-X really

ReferencesReferences

The medical newsThe medical news

metrostlouis.orgmetrostlouis.org

webmd.comwebmd.com