Hello sir is bendax treatment for vitiligo

What is the causes of vitiligo ?
- genatic factors 
- enviromental factors 
First steps to treat vitiligo ?
- consut a dermatology doctor 
- do the needed tests such as :
1. clinical examination
2. blood test 
3. blood IgE test
4. effects area culture 
What is the possible tretment of vitiligo ?
1. topical steroids 
2. melanin specific medication such as :
- Tacrolimus
- Pimecrolimus
3. laser treatment ( highly effective in face area 
General advices :
1. avoid sun and use sun screen 
2. take care of your skin and keep moisted