L'Oreal Paris Casting Hair Color in shade 400 Brown is a timeless permanent colour that delivers a rich, natural-looking brown tone with excellent colour depth and longevity. The ammonia-free formula works gently on hair while ensuring the vibrancy and coverage expected from a professional colour treatment. This classic shade suits a wide range of skin tones and is ideal for anyone seeking a dependable, beautiful brown that looks natural and well-cared-for.

The kit includes a conditioning cream that nourishes hair throughout the colouring process, helping to maintain strength and shine. Application is straightforward and delivers professional results at home—simply mix, apply evenly to hair, and process according to instructions. With comprehensive grey coverage and fade-resistant colour, this shade keeps looking rich and vibrant, making it a trusted choice for those seeking reliable, salon-quality brown colour.