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Hydrogen Peroxide does kill newer human skin cells, and can increase the chance of scarring because of it.

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Q: Why does hydrogen peroxide kill bacteria but not human skin cells?
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Why doesn't hydrogen peroxide kill human cells?

It can kill human cells.


What is the effect of hydrogen peroxide in the human body?

Hydrogen peroxide is a strong oxidizing agent. It can cause severe cell damage. However, in low concentrations, while it's devastating to bacteria it doesn't hurt human cells much, because human cells have an enzyme known as peroxidase which is able to safely decompose hydrogen peroxide into oxygen and water.


What has hydrogen peroxide in it?

most permanent hair dyes, the human body makes peroxide as byproduct for some cellular processes


Why doesn't hydrogen peroxide fizz when i put it in my ear?

The chemical formula for hydrogen peroxide is H2O2. When it decomposes, it separates into water and oxygen gas. The reaction takes this form: 2 H2O2 -------> 2H2O + O2 The release of the oxygen gas is what makes the fizzy bubbles. When you put hydrogen peroxide solution on a wound or in your ears, it saturates the area with oxygen. Bacteria cannot live in this environment, and this is what makes peroxide a good disinfectant. It doesn't really help too much with earwax, though.


What is the similarities and difference between the bacteria and human cells?

a human cells have DNA and bacteria has plasmid


Does the human liver break down more hydrogen peroxide in the summer or winter?

The enzyme catalase breaks down hydrogen peroxide in the liver. Seasons do not generally affect the amount of hydrogen peroxide breakdown, because humans regulate their body temperature.


Are bacteria cells the same as human skin cells?

There is bacteria on the surface of your skin but they are not the same as your skin cells.


Why do human cheek cells divide faster than normal cells?

because they have more bacteria cells, since bacteria divide faster then somatic cells.


What do human cells have in common with bacteria cells?

Humans are related to bacteria in that they are both a part of the Earth. They interact with one another, and while some bacteria is actually helpful to humans, many kinds of bacteria can be harmful.


What hydrogen peroxide do to scrapes or cuts?

It helps to clean and disinfect an open wound. Works wonders and doesn't sting like isopropyl alcohol would. Do NOT use hydrogen peroxide on human flesh or pets! It kills healthy cells! Not a big issue for minor scraps as it will disinfect, but never use on lacerations or deep wounds.


How does the action of hydrogen peroxide mechanically clean a wound?

Hydrogen peroxide is used much less often today, except in some OB departments in hospitals. The reason, besides stinging when used, is that it causes tissue destruction at the wound edges which can make healing slower. Hospitals use Betadine solution (an organically-bound iodine solution) to cleanse wounds. For home use I would simply keep some Neosporin ointment available. While hydrogen peroxide is relatively safe to use on a wound, it is much more suited for disinfecting inanimate surfaces. The reason for this is that the enzyme catalase is found in your blood. Catalase rapidly breaks down the hydrogen peroxide to water and oxygen (the bubbles) before the peroxide really has a chance to help.


Can human being drink deuterium dioxide?

Deuterium dioxide is D2O2 (deuterated hydrogen peroxide). Given that drinking Hydrogen peroxide in high conc. would kill you, I'm going to go ahead and say, No.