Yotuel Dental Pen is a professional teeth whitening gel that uses carbamide peroxide for effective stain removal and teeth brightening. The pen applicator format allows for precise and convenient application of the whitening formula. The product comes in a pen dispenser format for easy and targeted application of the whitening gel. Contains carbamide peroxide as the active whitening ingredient. As this is a dental hygiene product, please consult usage instructions carefully and follow recommended application guidelines.