Bút làm trắng răng chính xác

The pointed tip lets me hit just the spots between my teeth without smearing the gums, and it dries fast enough that I can sip coffee ten minutes later. Two weeks in and the shade difference is noticeable, even in dim bathroom light.

I've been using this pen in my car during my commute, and the precision tip lets me hit just the front teeth without making a mess. After two weeks of daily touch-ups, my coffee stains are noticeably lighter, and the formula dries fast enough that I can talk right after.

The brush tip makes it stupidly easy to hit just the front teeth without flooding the gums, and it dries fast enough that I'm not waiting around before heading out. My coffee stains have definitely faded after about a week of nightly use.