Laser Best Laser For Hair Removal side effects can be divided into temporary and permanent. The temporary ones are pain, swelling, redness, blistering, and hyper pigmentation. To relieve laser Best Laser For Hair Removal side effects such as pain and discomfort you may use a local anaesthetic or a pain killer before and after the procedure. If you have some swelling or redness after the treatment it would be a good idea to use some topical medications prescribed by your doctor. If you experience blistering or hyper pigmentation, try to minimize you exposure and wait for those effects to subside.