This is an ammonia-free, semi-permanent hair color system from Wella Professionals, specifically designed for effective color refreshing and coverage of gray hair. The inclusion of a Root Kit and Hair Mask ensures a comprehensive treatment experience, helping to maintain vibrant color depth and hair health between full salon visits. Ideal for clients seeking non-committal color changes or enhancing existing tones, this formulation offers gentle yet noticeable results. Use it to boost faded color or seamlessly blend first signs of gray hair, leaving your hair smooth and richly colored.