Get rid of brassy tones in your blonde hair now! NAK Blonde Plus Shampoo 1 Litre with blue and violet tones rids your hair of brass undertones that detract from its beautiful colour. Sulfate and paraben-free. Added Proteins and sunscreens protect, strengthen and condition hair. Contains active blue/violet colour pigments to help eliminate unwanted brassy tones. How to use Apply to wet hair, massage a small amount into hair and scalp, rinse thoroughly and repeat if necessary.