Permanent skin whitening is possible but you can only get permanent skin whitening done by having skin whitening laser treatments.
The skin whitening laser treatments are the only way to really get permanent skin whitening done so that it becomes permanent.
Laser Skin Whitening is expensive but considered to be permanent for most people.
The cost of laser skin whitening ranges from $300.00 to $5,000.00 per treatment so it is usually not cheap but can be well worth it if you want whiter skin.
But you'll need to have the money and pay out of pocket for the laser skin whitening treatments because it's a cosmetic procedure.
You might need a few skin whitening laser treatments or even more depending on your skin.