Four Reasons No Nothing Sensitive No Yellow Shampoo is a fragrance-free shampoo that neutralises yellow and warm tones. Suitable for sensitive scalp. Violet pigment in the shampoo helps neutralise yellow tones in hair. Plant-based protein compound efficiently protects hair from damage. Shampoo is especially suited for bleached, highlighted, grey and naturally blond hair. Fragrance free & 100% Vegan.