Stick our pro stencil on your desired location. Fill the tattoo design area with Le Inka Ink or Hengua. Make sure to fill and cover the full tattoo design area with no gaps. Leave for one hour, remove the stencil then wash away. Your tattoo will develop in 24-36 hours and last 1-3 weeks. All our stencils are designed with hypoallergenic medical glue for optimum fixation!