RYO Deep Brown Hair Dye #4N

RYO Deep Brown Hair Dye #4N delivers professional-grade color in one convenient bottle. This 3-in-1 formula dyes, protects, and nourishes simultaneously, making at-home coloring effortless. The advanced multi-color overlapping technology ensures seamless coverage of up to 60% white hair with rich, natural-looking results. Formulated with moisturizing plant ingredients, this creamy dye maintains hair smoothness and shine while coloring. The ammonia-free, fragrance-free composition eliminates harsh chemicals—no PPD, mineral oil, or irritants—for a comfortable application experience. Its luxurious texture spreads evenly across strands, intensifying color depth and uniformity for confident, intellectual sophistication in a deep brown shade.