ColorCascading by Wella

Cascading hair colors - ColorCascading technique by Wella
Highlights add vibrant dimensions to hair color and they offer limitless possibilities. Whether fashionable tones or sun-kissed, highlights energize hair color.
Wella's service innovation is ColorCascading, and it offers a new horizon of seamless multicolor effects.
The ColorCascading technique is a fantastic way for grading and blending colors from roots to tips and it adds an incredible new dimension to highlighting.
This new color service is available exclusively from Wella Professionals.
See also:
Hair highlighting
Natural looking highlights
The difference between partial and all-over highlights