From a Sahaja Yoga perspective, Vitiligo could be caused by problems in any of these chakras (subtle centres):
Left Mooladhara (genetic problem) Invoke Shri Ganesha,
Right Swadisthana Chakra (adrenal or liver problem)
Invoke Shri Brahmadeva Saraswati.
Do footsoaking in cold water.
Left Swadisthan Chakra (viral infections, parasites)
Invoke Shri Nirmala Vidya and Shri Mahakali Bhairava.
Clear left swadisthana with 3 candle treatment.
Nabhi Chakra (related to the skin)
Invoke Shri Lakshmi Vishnu,
heal through diet. Apply soothing coconut oil to skin.
Detox liver and digestive system.
Centre Heart Chakra (fear causing stress, leading to autoimmune disease)
Invoke Shri Jagadamba.
heal through stress reduction, deep breathing and meditation.
Visshuddhi Chakra (skin complexion, melanin).
Invoke Shri Radha Krishna.
Apply bhimseni camphor (an ingredient in Kailash Jivan Ointment)
Hamsa Chakra (immune system lacks discrimination)
Invoke Shri Hamsa Chakra Swamini.
Ghee in nasal sinuses. Ask for divine discrimination in your immune system.