We are so confident in the effect of the new HelloSmile pen that we guarantee a refund to any unsatisfied customer. We have well over 100,000 satisfied customers, which is the reason we decided to take this step.
We proudly guarantee that your teeth will be at least two shades whiter after using our product.
If you are not satisfied with the effect of the Hello Smile pen, you may return it for a refund within 14 days of collecting the Hello Smile pen.

To successfully submit your refund request:

  1. Take a clear photo of your teeth before using our product.
  2. Use our product exactly according to instructions
  3. Take a clear photo after the fourteenth application
  4. Send an e-mail to with your before and after photos.
  5. After approval, return the product to us according to the instructions. From the moment of receipt of the Hello Smile pen order, you have 14 days to submit your refund request.

Applications that do not follow these steps will not be eligible for a refund.
* Make sure you have taken before and after photos with similar lighting conditions, as we do not approve a refund if there are drastic differences in lighting. Before and after photos must contain the date on which they were taken.