This video masterfully demystifies a common household phenomenon by grounding it in fundamental enzymatic activity. It is a perfect example of how accessible science can effectively correct widespread misconceptions.
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This White Mark Is Not a BurnIndexado:
Hydrogen peroxide can turn skin white in seconds, but the mark is trapped oxygen, not a burn. The same catalase reaction makes peroxide foam on cuts. #Shorts #Science #Chemistry #HydrogenPeroxide #DidYouKnow Music: Apprehension by Kevin MacLeod (incompetech.com) — Licensed under Creative Commons: By Attribution 4.0
That white hydrogen peroxide mark is not a burn. It looks like damage because the color changes in seconds. But peroxide is meeting an enzyme your cells already carry, catalase. Catalase rips peroxide apart into water and oxygen. Those oxygen bubbles get trapped in the outer skin layer. That trapped gas scatters light so your skin looks white. Then it fades as the oxygen escapes and blood flow returns. When peroxide foams on a cut, that is the same reaction. The fizz is oxygen, not proof the wound is infected.
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