Properly wet the cotton swab when it is soaked, making sure it is not too wet;3. It takes about 1 min to wipe each tooth;4. Children under the age of 13 should not use it. PUTIMI 2PCS Teeth Whitening Tooth Brush Essence Teeth Whitening Pen Oral Hygiene Cleaning Serum Removes Plaque Stains Oral Care.
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