The NEON pre-inked mapping string helps enhance accuracy of many cosmetic procedures such as eyebrows, lips, areola, scalp, eyes, eyeliner. 
 
This product is waterproof! It helps to keep your shaping from smearing during the procedure. It's a must-have product for cosmetic tattoo artists, salons, beauty schools and professionals. 
 
HOW TO USE :
Open the string container, take the plastic bag out and drop couple drops of water inside the plastic bag to make the string to be wet and the ink to stand out. Zip the bag close and place it back to the container placing the string back to string cutter.