https://www.merriam-webster.com/thesaurus/whitens
WHITENS Synonyms: 54 Similar and Opposite Words | Merriam-Webster Thesaurus
Synonyms for WHITENS: bleaches, fades, brightens, dulls, pales, blanches, snows, lightens; Antonyms of WHITENS: darkens, deepens, blackens, discolors,...
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https://simple.wiktionary.org/wiki/whitens
whitens - Simple English Wiktionary
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https://sciencedaily.com/releases/2026/03/260323005538.htm
This new tooth powder whitens teeth without damage | ScienceDaily
Researchers have developed a teeth-whitening powder that works with the vibrations of an electric toothbrush to safely remove stains. Unlike traditional...
tooth powdernewteethwithoutdamage