Restore your natural-looking hair color in just 5 minutes with Just For Men Shampoo-In Hair Colour H-50 Darkest Brown. Specially formulated for men, this easy-to-use hair color helps cover gray hair while delivering a natural, long-lasting result. Enriched with Keratin, Olive Oil, and Vitamin E, it strengthens and nourishes hair while coloring. The ammonia-free formula blends seamlessly with your original hair color for a healthy, refreshed appearance.