L'Oreal Professionnel Color Corrector Cream Blonde 

Protect your blonde highlights from going yellow with the Vitamino Color A-OX CC Cream for blonde hair. In just one action, neutralise brassy tones for a magnified blonde and more natural looking tones. Hair is left feeling smooth and the blonde tones perfected. Apply to washed and towel-dried hair for 5 to 10 minutes. Rinse thoroughly and ensure the product is fully removed.