BIOKAP Root Touch-Up Spray for Dark Brown Hair 75 ml is a coloring product designed to quickly and easily cover roots and gray hair. This spray touches up dark hair color, providing instant and long-lasting coverage. It is ideal for those who want to maintain their hair color between salon visits. Simply apply the spray to the desired areas and it dries quickly, leaving a natural, streak-free result. Instructions for use Using BIOKAP Touch-Up Spray for Dark Brown Hair 75 ml is quite simple. First, shake the product well before use. Then, spray from a distance of about 10 cm on the roots or on the areas where you want to touch up the color. Make sure to completely cover the desired areas. Then, let the product air dry for a few minutes. Finally, comb or style your hair as usual. Remember to follow the manufacturers instructions and perform a test on a small section of hair before first use.