The Color Extend Blondage Shampoo by Redken 1000 ml is specifically formulated to neutralize unwanted yellow tones in blonde hair. Enriched with wheat proteins and UV filters, it protects and strengthens the hair fiber, keeping the color bright and vibrant longer. Ideal for those who desire a fresh and bright blonde, this shampoo provides softness and makes hair more manageable, ensuring a una visibly healthier mane with balanced cool tones.