How Long To Leave Bleach In Hair Before Doing Roots in How To

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How Long To Leave Bleach In Hair Before Doing Roots. The darker your hair is, the longer you should leave the bleach in, but you should never leave the bleach on for longer than 40 minutes. How long are you supposed to leave bleach on your hair?

How Long Does Intimate Bleaching Last Properties
How Long Does Intimate Bleaching Last Properties from wesbeda.taobao-dragon.com

The darker your hair is, the longer you should leave the bleach in, but you should never leave the bleach on for longer than 40 minutes. So for the 40 volume, about 20 minutes is sufficient. I've done so before, but my hair dresser did a really bad job bleaching it, so i ended up just dying over it.

How Long Does Intimate Bleaching Last Properties

Heat will make it process quickly. Again, the best thing to do is to leave the roots for the end since they process a lot faster. But here’s the general rule of thumb: The maximum amount of time you should leave bleach on your hair is 30 minutes.