Why won't my teeth turn white??

Question

I don't get it. I brush and I brush but it won't turn white. It's always this kinda yellow-ish color, makes me feel dirty but I brush two times a day, morning and night. Are we all just wasting our time? Is there a trick without the use of products to make your teeth turn white?

Answer 1

Crest white stips work immediatly but if you have really yellow teeth use it for a few weeks

Answer 2

your enamel is probably weak

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