The Tinta Color Dye Number 7.66 from Keune is a high-quality color developer and oxidant specifically designed to achieve a multi-tonal hair color. With the color code 7.66, also known as Medium Intense Red Blonde, this product offers an intense and vibrant shade suitable for a variety of hair types. The creamy texture allows for easy application and ensures an even distribution of color. With a content of 1 milliliter per tube and a total weight of 60 grams, it is a practical choice for hair coloring. Notably, the formula is ammonia-free, making it a gentle option for the hair. These features make Keune's Tinta Color an ideal choice for anyone seeking a long-lasting and radiant hair color without damaging the hair structure.