Nanobrows servicesNanobrows. The procedure involves the use of pigment and a super fine needle to create hair like strokes. These strokes look like natural hair. This technique doesnt only thicken the appearance of eyebrows, it can also change the shape of your brows. Nanobrows is similar to microblading. the only difference is tha for microblading we use a manual pen and for nanobrows we use a pmu electrical device. Nanobrows results can last 1 to 3 years.