JUST 5 Ammonia-Free Permanent Haircolour in Rich Auburn J-10 offers a gentle yet effective solution for vibrant, long-lasting color without the harshness of ammonia. Its formulation preserves hair integrity while delivering intense richness and shine. Ideal for professionals seeking reliable, salon-quality results with reduced odor and scalp sensitivity, this product ensures a comfortable coloring experience and beautifully natural-looking auburn tones.