L'Oreal Oreor 40 Volume Creme Developer mixes easily with chosen hair coloring product to provide permanent color change. It has a very strong lightening action without color deposit. Use 40 Volume for lifting action up to 4 levels or for use with lightening products. The rich, creamy formula gives you easy application and beautiful uniform results every time.
Beautiful, uniform color
Rich, creamy formula
Lifting action up to 4 levels
For use with lightening products
How to use: mix the developer whenever extra lightening is needed in amount recommended in chosen lightening product instructions. Blend until smooth. Recommended specifically for use with lightening products.
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