This red root touch up is perfect for anyone who wants to cover greys and dark roots, refresh highlights, or create the look of thicker, fuller hair. If you have a thinning hairline or gaps in hairline. Perfect for all natural and color-treated shades of red, including light red hair, ginger hair, blonde with red highlights, auburn hair, dark red hair, red brown hair, brown hair with red highlights. Ideal for extending time between color treatments.