Every time you utilize it, naturally-derived black hair pigment supply darkens every gray hair, rendering it gradually much less natural. Simple for at first chance, foam type. Leave time is 5 minutes. May be used frequently. Hair that is white cannot be dyed totally black. Whenever you just stop making use of it, it will approach your initial hair color even in 1-2 months. This system is a cosmetic hair coloring that colors the hair surface. How you can use: Until gray hair is inconspicuous. Apply it by altering the morning about 5 times in 2 days. If you use it for the whole hair, it is about 5 times for a single. To keep preferred surface, use it when a week as a guide.