The only paraben & sulfate free purple shampoo on Amazon! Cruelty free & vegan friendly! Contains intense violet pigments to counteract unwanted yellow hues. Purple toning shampoo is suitable for use on silver, gray, blonde, bleached and highlighted hair for a radiant, brighter color. Extend Time Between Expensive Salon Visits: Stronger than traditional blonding shampoos, the vivid violet of silver hair shampoo enhances hair color for ice cool blonde or dazzling silver/ash tones. Shampoo For Blonde, Platinum & Gray/Silver Hair: Zero Yellow Purple shampoo neutralizes brassiness in blonde shades for high quality at-home hair care. Our hair products are recommended by hair stylists worldwide. Sulfate-Free Shampoo: SLS-free and paraben-free, blonde shampoo is formulated with Vitamin B5 derivative to soften hair strands and add shine in natural and color-treated blonde hair.