You will need
  • powder dye specifically for denim
Dissolve powder dye in water. It is very important to observe the proportions specified on the packaging by the manufacturer. Because different types of paints have their certain proportions. Also it is important to stir the solution so that crystals of the powder dye is completely dissolved.
Then the container is dissolved in water paint put on fire. It placed black jeans. They need to be boiled in this solution. Simmer for about an hour. For each type of paint also takes some time boiling. In order to keep the thing turned evenly and without streaks, continuously stirring the contents of your container.
Drain from the tank water and dry jeans. After complete drying, wash them by hand at temperature not above 30 degrees. This is done in order to rinse off excess paint.