Is it permissible for a woman with naturally black hair that has started to gray to use sage to restore her original hair color? Does it contain a black substance and serve the purpose? Can it be mixed with henna? Is mixing henna and katam, which gives a blend of black and red, permissible or not? Are there any healthy mixtures?
Changing gray hair to a color other than pure black is recommended (mustahabb), whereas pure black is forbidden (haram).
If the color used for dyeing is not pure black, then there is no harm in it. However, if it is pure black, then it is not permissible.
To ascertain the permissibility of dye mixtures, one should consult specialists.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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