Used the polanight twice so far and very effective. No pain or discomfort. Getting lighter by the day! I advise to use with a dental sensitivity toothpaste to minimize any discomfort. Like all these products, it makes your saliva flow. I avoid swallowing so find a quiet corner for 30 mins and spit out into a disposable container. Enjoy the new self-confidence.
Thank you for your feedback. PDS Dental Group