Description
L’Oréal Professionnel Majicrème Developer is a professional oxidizing cream (developer) used to activate L’Oréal Majirel hair color and Blond Studio lighteners.
It contains hydrogen peroxide and comes in different strengths (volumes), such as 20, 30, and 40 volume, which control how much lift (lightening) and color deposit you get.
Developer strengths
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20 vol (6%) – standard choice for gray coverage and up to ~2 levels lift
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30 vol (9%) – stronger lift, up to ~3 levels, brighter results
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40 vol (12%) – maximum lift (up to ~4.5 levels), used for high lift or lightening
Key features
Formulated specifically for L’Oréal Professionnel Majirel system
Designed for consistent, predictable color results
Helps maintain hair conditioning and smoothness during processing
Not intended for use with unrelated hair color brands
Listing Updated/Revised as of 06/16/2026 {AB}!




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