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How to Bleach Hair to Level 10

BY SALLY MADISON
NATIONAL COLOR TRAINER

How light is level 10 hair?

Bleaching Levels

  • After applying bleach, watch the hair closely and rinse when you reach the right level.
  • If you are serious about taking your client blonde, the only acceptable bleaching levels are levels 9-10.

Some examples of Level 10 Hair:

Level 10Level 10 Hair

Some examples of hair that has not been lightened sufficiently:

Orange/yellow hair:

orange hair

Yellow/orange hair:

yellow-orange hair

  • When bleaching your client's hair, if you only got it to orange/yellow or yellow/orange like in the 2 pictures above, it essentially means that you have not bleached the hair enough.
  • The solution in this case is to resume this lightening process by applying more bleach. 
  • Both Ugly Duckling bleaches will take hair up to level 10 with the use of 20 or at most 30 Vol developer.
  • If you are not able to get appropriate results with your bleach mixture, you should deep-dive into why your bleaching came up short.
  • Chances are you used a poor quality bleach.
  • Adding extra strong developer (eg 40 Vol) if you did that in the hopes of getting it to lift will only make matters worse. 
About the author

Sally has been a hair colorist and trainer for many years in both the US & Europe. She currently does hair color training for Ugly Duckling. She also helps develop new & awesome products for the brand.

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