Formulated with citrus and chamomile, works with styling heat to gradually lighten hair with each use * Patent-pending technology combines fixative and conditioning polymers that retain hydrogen peroxide, allowing control of lightening results * ncludes violet dyes to maintain true-to-tone color * Visible results in 3-5 uses; Results most visible on hair that has never been colored * For blondes only safe for color-treated and chemically treated hair