Diagnosis:
Hair shows unwanted yellow tone direction or is white and needs subtle silver tone direction.
 
What it does:
Gently yet effectively cleanses hair
Strengthens the hair structure
Helps to optimize the pH level to 4.5
Neutralizes unwanted warm undertones
Preserves and revives cool tone directions
Adds a cendré shimmer to white hair and very light bases
 
How it works: 
During cleansing, a blue-violet dye is subtly deposited on the hair to refresh or add a cool tone direction, while caring ingredients helps to improve hair condition.