Grin Whitening Clinic is Calgary's trusted professional teeth whitening studio, located in the heart of downtown Calgary on 8th Street SW. Our locally-owned, female-led clinic specializes in safe, fast, and affordable teeth whitening treatments that deliver visible results in just one visit — an average of 4 to 12 shades whiter in about an hour. Using dental-grade whitening gel, advanced LED whitening technology, and our custom-formulated low-sensitivity products, our experienced whitening technicians provide a personalized teeth whitening experience in a luxurious private treatment room.