Build towards your brightest smile! The  Teeth Whitening Kit Refill Gels by Smile Therapy, is the easiest way to continue your whitening routine, and maintain a brighter, more radiant smile. Each pack includes 6 full treatments to extend your results over several weeks. Each syringe also contains enough gel to help lift surface stains and enhance the appearance of your teeth in just 10 minutes. As a result, keeping your smile looking its best has never been more convenient or cost-effective. Key features: 6 full whitening treatments per pack Each treatment takes just 10 minutes Helps lift surface stains and enhance tooth appearance Compatible with your existing Smile Therapy whitening kit Easy syringe application - no mess, no waste Extends your whitening results over several weeks Cost-effective alternative to buying a new kit Suitable for regular top-up use Therefore, whether you are maintaining your whitening results or building towards a noticeably brighter smile, the Teeth Whitening Kit Refill Gels make it easy to stay consistent - because a brighter smile is always worth maintaining.