4 x Opalescence 16% mint flavor teeth whitening gel syringes.

With two different concentrations Opalescence take-home whitening gel is perfect for people who want a lot of options. With two different concentrations and three flavors, you can wear Opalescence for as little as 4 hours per day—or even overnight! Dispensed only by a licensed dental professional, Opalescence take-home whitening gel allows you to get professional whitening results at your convenience in a safe, effective, and customized way. After the first application in the dental practice the Opalescence whitening trays can conveniently be worn at home.

Opalescence tooth whitening gel contains PF (potassium nitrate and fluoride), which helps maintain the health of enamel throughout the whitening process.
Formulated to prevent dehydration and shade relapse
Two concentrations for treatment flexibility
Three flavors: Mint, Melon, and Regular
Day or night wear