What Causes Brassy Hair? "Brassy hair is caused by color that lacks a grounding tone, such as brown or beige," says ...
If you don’t have a balayage dye job or something similar that’s meant to be root-heavy, “a root touch-up product is a good ...
"It neutralizes the brassy tones that occur when lightened ... While blue shampoo is recommended for color-treated brown hair, natural brunettes can also benefit from its unique formula.
"It neutralizes the brassy tones that occur when lightened ... While blue shampoo is recommended for color-treated brown hair, natural brunettes can also benefit from its unique formula.