2 to 5 business days
Whiten your teeth completely and naturally. Especially for people with black teeth and yellow teeth caused by smoking, tea drinking, coffee, and wine, Remove tartar and peculiar smell, Leaving your mouth clean and fresh. Keep your gingival more healthy. Long-term use of this product shall help to keep periodontal problems away. Used together with the foam toothpaste will be more efficient, a new choice of teeth whitening.
