The frequency of teeth whitening depends on the method used and your oral habits. Professional in-office treatments might require touch-ups every 6 to 12 months. At-home kits are typically used once a day for 14 days initially and then occasionally for maintenance. A mix of both can ensure the effects of the in-office whitening last a lot longer. However, overdoing it can lead to sensitivity. Please consult with your dentist at Admire Dentistry for personalised guidance.