Wella Professionals Color Touch 4/71 Medium Chestnut Ash Brown is a semi-permanent ammonia-free dye, ideal for those who want a bright and natural color without compromising hair health. Its gentle formula nourishes the hair fiber, providing immediate shine and softness. Perfect for reviving existing shades or experimenting with new nuances, it ensures una even coverage and a lasting result for up to 24 washes. A professional ally for una vibrant and hair-friendly coloring.