Incredible Color Correcting Brassy Hair References. Once this natural fading concludes, hair color loses its balance of warm and cool tones, and becomes brassy. The combo of the aveda purple shampoo and conditioner is instrumental in.

Use this chart to assess the level your brassy hair is at. Applying a toning gloss with purple and blue hues will counteract the natural yellow and orange pigmentation in the hair strands. In general, those with darker blonde.