The White Smiles highlights Crest Professional Effects White Strips as a top-tier choice for advanced at-home teeth whitening. These strips are formulated with a higher concentration of hydrogen peroxide, effectively tackling stubborn stains and offering results comparable to professional treatments. Designed to be used daily for 30 minutes, Crest Professional Effects White Strips can whiten teeth by several shades in just 20 days, with visible improvements in as little as three days.
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