Laser White Argan Speedy Hair Color Shampoo – Dark Brown (420 ml) A rapid hair dye shampoo that covers white hair 100% in just 30 minutes. Enriched with argan oil for hydration and natural shine, and aloe vera for nourishment. The formula is rich in keratin to enhance hair density and strength. Free from ammonia, sulfates, and parabens, making it suitable for all hair types.