How often should I use permanent hair color on my whole head?

Updated April 17, 2017

The first time hair dye is applied it's important to cover the entire head, from root to end and leave on according to package directions. Many colourists agree that after the initial all-over dye process, only roots need to be touched up every four to six weeks.

Ensure Even Coverage

After repeatedly dying hair and only covering the regrowth, the colour on the middle and ends of hair my become brassy, lacklustre and faded. Applying dye all over the head can help freshen old colour and keep it a close match to the regrowth.

Bottom Line

Experts agree that to prevent damage, breakage and loss of shine, only the roots should be touched up every four to six weeks as needed. To freshen old colour on ends, apply dye to whole head only for the last five minutes of the processing time to give the rest of hair a subtle boost.

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About the Author

Leslie Madison began writing professionally over five years ago, specializing in beauty, health, nutrition and skin care topics. She regularly writes beauty, health and lifestyle stories for both print and online magazines including "Long Island Bride and Groom" and Teen Scene. Madison has a Bachelor of Arts in communication from Rutgers University.