BBass

The whitener on a strip will deplete as time goes by. And while some whitening potential probably remains after the recommended time frame stated in the instructions, it's unlikely to be much. And for that reason wearing your strips for longer wouldn't be expected to provide much extra benefit.

Wearing your strips longer also exposes your gum tissue to the whitener for a longer period of time and therefore might make experiencing side effects more likely.

Plain text

  • No HTML tags allowed.
  • Lines and paragraphs break automatically.
Please answer the question so we know you're a human.