Famous How Long Should Toner Stay In Hair References. I let my toner sit in my hair for a maximum of 15 minutes since i've got. Web toners can last in your hair for up to six weeks, but this depends on how often you shampoo your hair and how often you use products that contain sulfates.
Some toners do last longer, so if you’re curious, just ask your colorist. This is particularly important because toner often lasts only an average of 4 to 8 weeks, depending on how well you take care of your hair color. It depends on your hair type and.
