Which is better for upper lip threading or shaving?
Since threading is out of the question and waxing does the same thing – but worse because it'll also cause wrinkles around the area over time – that leaves shaving. ... Of the three, shaving is also the cheapest, most convenient and achieves the best results.
Does threading reduce hair growth?
That said, over time, frequent threading can cause the hair follicle to become damaged and stop growing hair (although, some might consider that an upside). If done incorrectly, the hairs could also break, which can lead to unevenness and ingrown hairs.