Hi there
This is definitely a question for your physician and the professional who is doing the laser hair removal. I don't think the laser prodcedure for hair removal will have any effect on your brown spots but this is something you need to ask about.
Here are two articles written on brown spots and what you can do about them:
How to Get Rid of the Brown Spots on my Face
I hope this helps some. Thank you for your question.
Important:
We hope you find this general health information helpful. Please note however, that this Q&A is meant to support not replace the professional medical advice you receive from your doctor. No information in the Answers above is intended to diagnose or treat any condition. The views expressed in the Answers above belong to the individuals who posted them and do not necessarily reflect the views of Remedy Health Media. Remedy Health Media does not review or edit content posted by our community members, but reserves the right to remove any material it deems inappropriate.