London, Paris, New York. Thick foam for deep colour saturation. Lock in rich salon-quality colour. Permanent colour. 100% grey coverage. Non-drip. Thick foam for deep colour saturation. Locks in rich salon-quality colour. No patches. Traditional Colour: Unwanted patches. Our Foam Colour: Flawless colour. Experience fade-resistant, salon-quality colour. Our thick, rich foam penetrates strands for deep colour saturation that locks in rich colour, giving you fade-resistant, salon-quality results. This non-drip formula spreads quickly and easily into roots and hard-to-reach places giving you complete coverage without patchiness. The result - natural-looking, salon-quality colour. Our nourishing after-colour conditioner seals in colour for long-lasting, tonal richness. See bottom panel for ingredient listing. Shade Guide: 4R is a dark brown shade with red tones. For optimal results, use on light brown to black hair. Current: Light-medium brown; Dark brown; Deep brown-black. Colour results. On mostly grey hair, colour will appear lighter than colour shown on result swatch. On red hair, your colour results will be dark reddish brown.