Is it permissible to use a light device to change skin color?
It is permissible to use a phototherapy device to change skin color if there is a disease that requires treatment, provided that it does not have side effects more dangerous than the disease. It is not permissible to use it for other purposes, because it is considered an alteration of Allah's creation.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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