Naturtint 4M Ammonia Free Hair Colour 150ml is an innovative solution for hair coloring, ideal for those seeking a natural and gentle result. This ammonia-free dye respects the hair fiber, reducing the risk of irritation and providing una uniform coverage of white hair. Enriched with plant-based and nourishing ingredients, it helps maintain softness and shine, ensuring the same tempo una long-lasting color retention. The formula is free from aggressive agents, making it suitable even for sensitive skin. Easy to apply, Naturtint 4M offers intense and deep shades, enhancing the naturalness of the hair. An ideal product for those who desire a professional, healthy, and environmentally friendly color.