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Instructions:
1. After brushing your teeth, dry the surface of your teeth, pull out the cap, and rotate the end clockwise to squeeze the whitening gel onto the brush on the head
2. Open your mouth and smile to expose your teeth to your lips. Apply the tooth whitening gel evenly on the surface of the upper and lower teeth, with a thickness of about 1mm (generally, the whitening range is 8-10 teeth on the upper and lower sides)
3. Relax your lips after 30 seconds, do not eat or drink for the next 30 minutes, rinse your mouth with water after 30 minutes
4. The effect is better if used continuously for more than one week.
