L'Oréal Majirel Blue Booster 60 ml – Blue Intensifier

The Blue Booster from L'Oréal Professionnel's Majirel line is a color intensifier designed to modify and enhance the final result of Majirel hair colors. Its highly concentrated blue pigment neutralizes unwanted warm tones (brassy or orange tones) in dark or medium hair, achieving purer, cooler shades. With a creamy texture, it integrates easily into the colorant mixture, respecting the hair fiber and ensuring even distribution. It incorporates hair protection technology through Ionene G™ and Incell™, which help maintain the integrity of the hair fiber during the coloring process. This booster should not be applied alone, but mixed with a Majirel base + oxidizer in specific proportions according to the desired effect. It is recommended for colorings where a blue undertone or warm-reflection neutralizer is needed. Benefits Neutralizes warm tones (orange, copper). Adds bluish depth to medium or dark tones. Blends seamlessly into the Majirel color formula. Protects the hair fiber with Ionene G™ and Incell™. Vibrant results without damaging the hair. Who is it for? Professional colorists. Salons offering color corrections or customized undertones. Clients seeking cool tones or neutralization of unwanted reflections. Composition: Contains concentrated blue pigments. Includes Ionene G™ and Incell™ for hair protection. Cream-like formula. Targeted Action: Intensification of cool undertones. Neutralization of unwanted warm tones. Adjustment and customization of the base color. Directions: Do not use alone: Mix up to ¼ of a tube of Blue Booster with ¾ of a tube of your chosen Majirel base. Add an oxidizer in a 1:1.5 ratio (e.g., with L'Oréal developer cream). Apply to dry, unwashed hair, from roots to ends. Leave on for approximately 35 minutes. Rinse, then shampoo and apply a maintenance treatment. Frequently Asked Questions (FAQ) Can it be used neat? No; it must always be mixed with a Majirel base and an oxidizer. How much can it change the color result? It depends on the ratio used. In general, using up to 1/4 of the booster can significantly change the shade without drastically altering coverage. Does it affect the durability of the color? Not significantly if mixed correctly; the protective technology included helps maintain the integrity of the hair fiber.