Safe and effective, easy to use pen-based teeth whitener;Clinically proven to whiten teeth up to 10 shades with just a single pen;Noticeable whitening in as little as 2 days;Each pen contains 2.7 mL (0.09 fluid ounces) of teeth whitening gel;Each pen lasts up to one month with twice daily use

• Smileactives Easy-Click Tooth Whitening - 4-Pen Set

Smileactives Easy-Click Tooth Whitening - 4-Pen SetOraceutical