Eyebrow threading is a very popular trend in defining brow lines, raise the arch of the eyebrow, or add shape and definition to the brows. Because it removes hair by the follicle, it is a reasonably long lasting hair removal technique which saves you a lot time and money over the time. If you prefer a natural alternative to shape your eyebrows and avoid chemicals all together, eyebrow threading is a best option. Since it does not involve use harmful products, it is becoming very popular rather quicklyThreading involves twisting a piece of thread, usually cotton or a poly-cotton mix, into a double strand. This double-stranded thread is used to pick up a line of hair or individual hair and then remove it, creating a very clean, precisely shaped hairline.