Our teeth care gel pen contains glycerin, propylene glycol, and carbomer. It effectively removes stubborn tooth stains. With a peroxide-free formula, it is gentle and does not irritate teeth or gums. The usage is simple: 1. Press the pen 40 times for the first use. 2. Squeeze out an appropriate amount of gel and apply it evenly on teeth. 3. Use 1-2 times daily. The whitening effect is immediate, with visible changes in just minutes. The pen-style design is portable for on-the-go use anytime, anywhere.
