They have been used needles, tips, sterile containers. The colors are of the organic type suitable for any type of skin. The needles used such that particles are released after a few weeks the black curtain of blue and green, due to actions of oxidation Trai pigments of black and metallic particles of the needle. Previously it was decided to cut the hair and disinfecting, to work concluded were recommended precautions with acid pH soaps and anti-allergic.