Garnier Nutrisse Ultra Color Nourishing Hair Color Golden Mahogany Brown B4This nourishing permanent hair color provides a rich golden mahogany brown shade with warm red and golden undertones. Shade B4 is designed to deliver deep, vibrant color while maintaining a balanced, natural looking finish. The cream formula allows for smooth, even application and full coverage from roots to ends. The result is a glossy, saturated brown tone with warmth and dimension, suitable for those seeking a bold yet refined mahogany shade.