At Intown Smile Studio our Glo Science Professional In-Office Whitening Treatment is quick, effective, and comfortable. According to Dr. Estep, this new patented technology elevates the traditional whitening procedure in a way that is more effective than the in-office treatments of the past decade. As a bonus, Dr. Estep includes a take-home system with your in-office treatment. Your Glo Science Professional In-Office Whitening Treatment will take 1 hour. This includes delivery of the take home system.