Olivia Hair Colour 01 Black is a permanent, non-metallic hair dye that delivers a deep, rich black shade with 100% grey coverage. Enriched with proteins and Vitamin E, it nourishes and strengthens your hair, leaving it soft, shiny, and healthy-looking. The gentle formula is designed to be kind to your scalp while providing long-lasting, vibrant colour. Ideal for those seeking a timeless and elegant black hue, this hair colour offers salon-quality results at home.