Famous Brassy Hair Color Meaning References. Make a paste with 1 tsp of baking soda, a few drops of blue and purple food coloring, and enough shampoo to cover all your hair. When you bleach your hair, these natural pigments can become lifted or diluted.

Web brassy hair is a common problem that affects many people. When you use purple pigmented shampoo, it neutralizes brassy tones and brings your hair back to the cooler side. It occurs when the hair dye job wasn’t done correctly or hair wasn’t properly toned.