Teeth whitening portable whitening pen guaranteed whitening in less than a week

Usage for Teeth Whitening Essence: Before use, please clean the mouth with warm water, then use a cotton swab to dip proper amount of the product, wipe the teeth surface evenly and rinse it with clean water after 15-20 minutes, we recomend to use 2-3 times per week. ▶ Tips: 1. When removing the stains, please wipe gently so as not to damage the gums and oral mucosa; 2. 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. If the stains can't be removed completely, please use again after a week; 5. Children under the age of 13 should not use it. Do not try to swallow. ▶ Package Included:1 (teeth whitening pen ) I personally use this product is amazing in teeth whitening, use it onces a day for a week