I had a Brazilian blow dry last week and am due to have my roots coloured (to cover grey hair) at the end of this week. Will this damage my blow-dry? If so, is there any treatment for grey hair that will not interfere with the effects of the blow-dry?
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You have to wait at least 2 weeks after a Brazilian Treatment to do any colour, otherwise you risk stripping your treatment on the lengths or not getting proper penetration of the colour at the regrowth, since the hair shaft close to the scalp will be sealed after your treatment.