How to make 30 volume bleach a 20?

I want to dye my hair a light purple and its a light brown right now. I need to bleach it, but can't find a 20 volume from manic panic, only a 30. How do I make it a 20? also any tips on how to bleach and dye it?


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Most Helpful Girl

  • You can dilute the developer with water you would do two parts developer one part water

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What Girls Said 1

  • Not a clue

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