L'Oreal Professionnel Dia Light Blue Booster is an ammonia-free, semi-permanent gel-creme hair color designed for pre-coloring, neutralizing, and reviving faded tones. Perfect for color-treated or sensitized hair, this professional formula helps refresh your shade while leaving hair feeling soft and nourished.
This booster is ideal for neutralizing unwanted warm tones in lightened hair or adding a vibrant cool reflection to faded color, ensuring a high-shine, even finish without the harshness of ammonia.
Key Ingredients
Acidic Technology - helps balance the hair fiber and seal the cuticle for maximum shine
Ammonia-Free Formula - ensures a gentle application process that respects the hair
How to Use
Mix with the recommended Diacteur Activator according to the mixing ratios on the packaging.
Apply evenly to dry or damp hair, focusing on areas that need neutralization or color revival.
Leave on for the recommended development time, then rinse thoroughly.
Ammonia-free formula for a gentle color service
Ideal for neutralizing warm tones and reviving faded hair
Semi-permanent gel-creme texture for easy application
