HOW TO REMOVE BLACK RASHES ON THE SKIN DUE TO...

first note :
if patient still at age of 8 , treatment may be delayed for some years before starting it as it may effects the growth or the shape of the skin 
- consult dermatology doctor before using any treatment 
Effective ways to whitening skin or whitening special area of skin :
1. using the products that contain hydroquinone ( need some months to see results )
2. using products that contian vitamin A , retein-A , tazarotin ( need some months to see results )
3. using laser treatment to remove black skin or change skin layer ( effective but need more than one session )
Recommanded product to whiten skin :
1. melacare
2. Triderma