• MareOfNights@discuss.tchncs.de
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    2 days ago

    The lighter your skin and darker your hair, the more effective it will be. It could be, that the contrast is too small, in which case you need a different method.

      • Berengaria_of_Navarre@lemmy.world
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        2 days ago

        It’s also worth mentioning that hair growth happens in stages and it’s only permanent for the initial growth stage. So it’ll take repeated treatments.