The BLONDE spray effectively brightens hair by a maximum of 2 shades, adding radiant highlights to both light and dark blonde locks. Its unique formula features cider vinegar, which helps to smooth the hair cuticle for a glossy finish. Hydrogen peroxide works gradually to lighten the hair, while plant-based glycerin ensures the hair remains well-hydrated. This LIGHTENING BRIGHTNESS SPRAY UP TO 2 SHADES accents natural blonde tones, transforming light to dark blonde hair without compromising moisture. Composed of 84% natural ingredients.