Diet restrictions - Tamarind, Curd, Tomato, Citrus fruits & Citrus fruit items / juices as oranges, lemon even grapes are strictly restricted.Papaya should be restricted also. Oily / spicy food & non vegetarian food intake should be lowered. Milk intake to be lowered also. Medicines as Chyawanparasha are restricted as it contains Amla (a rich source of Vit. C). . Any eatable made of soda bi carb, stored sour things, pickles, tinned foods or drinks, chocolates, coffee or cocoa products should not be taken.
Lifestyle related - Tight fittings which give marks on the skin, like elastic must be avoided which disturbs the skin blood circulation. Scratching, itching must be avoided. Any injury will give rise to new patch. Plastic and rubber wear should be avoided. Plastic Ornaments, Bindi or any Stickers on the skin should be avoided. Avoid playing or swimming in the sun between 11 a.m. to 4 p.m.
Diet restrictions are most important for vitiligo cure. More vitiligo diet restrictions can be found here https://www.ayurhealthline.com/Vitiligo-Food.html