Klorane Anti-Yellowing Shampoo with Centaury – 200 ML: nourishes and softens the hair while neutralizing unwanted yellow, brassy and copper tones in blonde, platinum, silver, gray or white hair. Key Components Centaury Gentle Cleansing Actives Indication Unwanted yellow, brassy and copper tones in blonde, platinum, silver, gray or white hair How to use Apply Klorane Anti-Yellowing Shampoo with Centaury to wet hair and scalp and gently massage to lather. Leave on for two to three minutes and then rinse thoroughly.