Vitiligo according to Ayurveda is due to pitta dosa.You find permanent solution for it in Ayurveda.You need purification of blood it is done through Leech therapy.
Apply seeds of radish with water make as paste and stand in morning sunlight.
Apply turmeric with mustard oil
Next Steps
you may use khadeeraarista and mahamanjistadikashaya 10ml equal quantities with water.
Health Tips
avoid spicy foods,pickles,brinjal.etc
can take foods like carrot,beet root,almonds