Cool How Long Should Hair Color Last Ideas. The longer the hair and the harder the haircut, the longer it should take. The first one is natural colors, and the second one is funky colors.

Web 15 minutes to consultation, 15 minutes to wash your hair, 30 minutes to dye your hair. Web you see, when salons or products say that their permanent dye stays in the hair for around 6 to 8 weeks, it means that your hair is most saturated with color within that time period. Wash your hair the next day staying away from water can give your newly dyed strands their best chance of remaining vibrant.