Introducing the FOUR REASONS Color Mask Shampoo Sulfate Free Toning Purple for Blonde Hair. This specialized shampoo is designed to maintain and enhance blonde hair tones, keeping your color vibrant and fresh. Its sulfate-free formula gently cleanses while toning, helping to neutralize brassy or yellow undertones. The Pearl Blonde shade is perfect for achieving a cool, sophisticated blonde look. Easily integrate this into your regular hair care routine to prolong the life of your salon color and keep your hair looking its best.