Famous How Long Can You Leave Toner In Your Hair Ideas. Web how long should you leave a hair toner in? Web toner should be left on your hair for fifteen to twenty minutes on average.
Web leave the toner in for up to 45 minutes, then rinse, and wash with a moisturizing shampoo and deep conditioner. Read this article to the end to get additional answers to these pressing questions. Web in general, toner should be in the hair for 20 to 30 minutes.
