Peroxide and skin?!


Question: My teacher was making a deminstration of how hydrogen peroxide cleans cuts. She poured it on this one kid's cut, and he got a white stripe on his hand from where it poured! Then her hands were too different shades. Does peroxide change pigment in skin? i was pretty sure it would go away, b/c when i get peroxide on my hands i get white spots on my fingertips sometimes. What makes it do that?


Answers: My teacher was making a deminstration of how hydrogen peroxide cleans cuts. She poured it on this one kid's cut, and he got a white stripe on his hand from where it poured! Then her hands were too different shades. Does peroxide change pigment in skin? i was pretty sure it would go away, b/c when i get peroxide on my hands i get white spots on my fingertips sometimes. What makes it do that?

Maybe the white stripe was due to the presence of many tiny bubbles of hydrogen gas? Or, the edges of the cut could have turned white due to the action of the peroxide oxidizing th tissues.





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