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Sure, if you’re careful enough you can avoid staining those white pants but your teeth aren’t nearly as lucky. Your morning coffee alone is responsible for some of the mild discolouration on your pearly whites, the glass of red wine in the evening is responsible for the rest of it. And if those home remedies aren’t helping and a dentist isn’t an option you may want to check out some of these home whitening options:
An impressive 44 percent carbamide peroxide lightening agent takes effect in just one minute to dissolve all manner of stains. (Avoid eating or drinking for around an hour after each dose.) Get it at ebay.in The company's very best whitening strips are further activated by ten minutes under blue LED lights. Used for ten days in a row, and you'll enjoy the kind of results other people comment on for up to three years. Get it at ebay.in While this kit will take you an extra step to track down—it's only sold through dental offices—the easy-to-use trays and nine percent hydrogen peroxide pens will bring on noticeable results in three days. Get it at colgate.com Rather than tapping harsh chemicals, this Swiss hygiene brand relies on activated charcoal to absorb stain particles without any bleaching agents. Get it at NinthAvenue Developed by New York City cosmetic dentist Michael Apa, a one-two punch of an activating whitening pen and stay-put film lightens teeth in 90-minute sessions over five days flat. Get it at net-a-porter.com A hydrogen peroxide gel is accelerated by powerful blue light; only eight minutes total makes it ideal for those of us who don't have to time for extended sessions. Get it at sephora.com Here, the hydrogen peroxide in the toothpaste is zipped up by a blue-lit, sonic toothbrush that vibrates and glows for three-minute increments. Get it at kohls.com Another option for those of us who try to avoid sketchy chemicals, this natural blend uses hydrated silica to safely abrade stains without disturbing your enamel. Get it at LuckyVitamin 
From: ELLE USA