A revolutionary system that creates perfectly shaped brows in seconds. The kit comes with a powder, 4 different shape/size stencils, and double ended brush for a flawless finish. The powder is water resistant, smudge proof, sweat proof, and lasts up to 24 hours or until you remove it with makeup remover. Irid Brown; For defined brows- best suited for medium brown with subtle red tones and Auburn hair.