The skin colour and lustre of human body are influenced continuously by factors, such as the external environment and seasonal change,of which the impormant factor is sunlight.The skin colour deepen in summer, the skin colour of outdoor workers become more deeper.It can help form melanin to make skin colour deepen, and is good for treatment of vitiligo.However,the excessive and strong sunlight can cause vitiligo easily: on one hand, it can cause the hyperfunction of melanin cell ,and cause melanin cell” consumption and early recession;on the other hand,the middle product in the process of melanin synthesis accumulate and damage melanin cell. The white spots appear.
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Thank you for the information sarah, the viligo people need to be very care full while going out in sun, we need to carry umbrella/ need to apply some medicated sunscreens on patches to prevent photo toxicity or long term skin cancers...
take care
It is true but we need moderate sun too,,,that is why many remedies advice to use sun, acchually it is the sun which helps not the oils they sell.
Burning is not good ,it may trigg vitiligo.