The pen contains active oxygen bubbles, safely and immediately removes visible stains. Fast, easy to use and quick drying 1. You should clean your teeth with a floss, it is recommended to use a whitening toothpaste 2.Shake the pen, remove the cover and turn clockwise until the gel is released and covers the brush 3. Apply a thin layer of gel directly to the front surface of the upper teeth, avoiding the gums and lips, and let dry for 30-60 seconds 4. Repeat the process on the lower teeth .
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