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색 때문에 시간을 보내는 게 좋은 거군요. 저는 머릿결 때문인지 알았어요
It is recommended to refrain from washing your hair for 48 hours after dyeing, even if you feel the urge. This is because your hair needs time to fully adapt to the dye. Since washing your hair before 48 hours have passed increases the likelihood of the color fading, it is best to postpone washing it as much as possible.