There wasn’t a refund policy listed, so we emailed customer service for details. We’ll be sure to update this review as soon as we receive a response. Will a Steel Bite Pro Whitening Pen Work for You? In our opinion, the answer to this question largely rests on what you mean by “work.” In other words, can you reasonably expect Steel Bite Pro to whiten your teeth? While we’re not quite clear on all its ingredients, as long as it contains some form of peroxide, there’s no reason to believe it can’t lighten mild extrinsic stains a couple shades. Now, will this happen in just one application? Will it work as well as an in-office