You should seek an in person evaluation with a board certified plastic surgeon or dermatologist to determine whether it is suitable for you. Also, you will need approval for a parent/guardian.
Botox has been found to have many uses. I am not familiar with using Botox for chronic itching. I would definitely consult a neurologist who specializes in pain for the correct treatment options.
Both Voluma and Botox are great products for injection. However, it seems that the combination and placement of your injections produced these rolls. I would definitely recommend that you return to your physician to help alleviate the problem. The injections on their own can take many months t...