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Its on sale for $13 right now.

Shape / Madison Woiten

Brushing your teethtwice a day wont just cut it if you wantpearly white teeth.

Shoppers Say This Best-Selling Teeth Whitening Pen Removed ‘Years of Stains’ tout

Photo:Shape / Madison Woiten

Fortunately, there are plenty of affordable and convenient ways tobrighten your smile.

The addedpeppermint extractalso fights bacteria, soothes, and provides a fresh aftertaste.

Most notably, this plaque-fighting tool is so easy to use anywhereandanytime.

Getty Images Venus Visage Award Winning Teeth Whitening Pen

Getty Images

The handy, pen design and fine-tip brush allow you to precisely target the discolored areas on the teeth.

Other shoppers wrote that their teeth are 10 shades whiter and it left absolutely no sensitivity at all.

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Colgate Optic White Overnight Teeth Whitening Pen

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Jennifer Aniston beside a lotion product

A set of images displaying a person in athletic wear and a pair of camo-patterned leggings

Hands touching nails focusing on nail health