Why is it to stain your teeth but hard to whiten them?
In: Biology
Pigments in everything is embedded into the enamel of your teeth, probably for years. Think of green spinach, orange carrots, red apple skin, etc and chewing each bite. Grinding it down and pushing that color into your teeth. It will take just as long to “bleach” the pigment.
Even plaque has a yellowish tint to it, so over time it dyes your teeth yellow.
Dump grape juice on your carpet, easy, right? Now, get it off.
Why is it *easy.
Sorry folks
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