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Purple toning shampoo is a type of shampoo designed to neutralize yellow, orange, or brassy tones in light-colored hair. It contains purple pigments, which help balance unwanted warm tones that tend to develop over time in blonde, silver, gray, or highlighted hair. The shampoo is typically used a few times a week, depending on individual hair needs, to maintain a clean, cool-toned color.
Purple shampoo works on color-treated hair, but it’s also highly beneficial for natural blondes or those with gray or white hair. Light-colored hair is particularly prone to brassiness due to exposure to sunlight