+22 How Long Should I Leave Toner On My Hair References. Web here are the tips on how to tone bleached hair and maintain the natural look: Web in case of brassiness, you should keep the toner on brassy hair from 15 to 35 minutes.

Web here are the tips on how to tone bleached hair and maintain the natural look: Web in general, toner should be in the hair for 20 to 30 minutes. Read this article to the end to get additional answers to these pressing questions.