One Purple Shampoo Toning for Blonde Hair, Neutralizes Brass and Sulfate Free

Kristin Ess’s One Purple Shampoo for Blonde Hair neutralizes brass while delivering a gentle cleanse. The creamy, slightly viscous lather brightens cool tones without stripping moisture. Sulfate-free and geared toward color-treated or highlighted hair, it’s suited for blondes who want reliable tone correction and manageable, conditioned results between salon visits.