Brand from Japan: Kose. A hair pack that repairs hair that tends to be damaged by repeated hair coloring from the inside, and leads to glossy hair while maintaining the hair color. How to use: 1-2 times a week as a guide, after shampooing, lightly drain the water, apply an appropriate amount to the entire hair, leave it for 2-3 minutes, and then rinse thoroughly. You can use it every day depending on the condition of your hair.