For optimal sensitivity relief, brush teeth using AO ProToothpaste Sensitive and apply AO ProVantage Dental Gel to gums for 3 days prior to your whitening treatment. We recommend the pre-whitening treatment first thing in the morning, after lunch, and before bed.

Domestic Shipping:Free standard domestic shipping to the U.S. Delivery for all orders is an estimated 5-8 business days from the time of processing. We are not responsible for any lost in transit or damaged packages from the shipping carrier.

International Shipping: We do not currently sell or ship outside of the United States.

Returns:We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it, unused, and in its original packaging. You’ll also need the receipt or proof of purchase.

We recommend following our pre-treatment regimen for at least 3 days leading up to whitening.

We recommend using our Pre-Whitening treatment prior to, during, and after whitening treatments for optimal sensitivity relief. Our teeth whitening pre-treatment regimen is the key to zing-free whitening and includes our AO ProVantage Dental Gel and AO ProToothpaste Sensitive, clinically proven to help eliminate oral sensitivity. Shop the whole bundle here: https://periosciences.com/products/whole-bundle.

No, we do not recommend whitening your teeth immediately after using the Pre-Treatment routine. For optimal whitening results, wait at least an hour after use of our pre-treatment regimen.

Teeth whitening is accomplished by using either a peroxide or carbamide peroxide gel, both break down using oxidation as the method of whitening teeth. The higher the concentration of peroxide, the faster whitening but unfortunately the higher the concentration is associated with more pain and sensitivity to the teeth and gums. Our take home whitening kit contains 35% carbamide peroxide along with potassium nitrate to help minimize teeth sensitivity. For individuals who have experienced teeth and mouth sensitivity when whitening, we recommend our clinically proven AO ProToothpaste Sensitive and AO ProVantage Dental Gel as a pre-treatment.

Visit your dentist to learn how to properly brush and floss and then practice them on a regular basis by brushing twice daily and flossing at least once daily.