EFERO Oral Hygiene Remove Plaque Stains Pen Teeth Whitening Cleaning Serum Tooth Teeth Whitening Kit
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After cleaning the teeth, remove the cap and turn the end of the whitening pen until the essence overflows onto the brush head. Then apply the product evenly to the teeth and rinse it with clean water after 15 to 20 minutes. We recommend using it 2-3 times a week.
