i have a epilators and i been using it for like about 2 year now, yes the hair grown back thinner. first u dont really notice but wait longer u will notice it, when i first got it i wasnt impress with the result, now i pretty happy, better then shaving, or removal cream, and almost i get the same result like waxing, with the epilator it less pain and no mess. 1 thing i find the epilators is not good at for underarm it give u little bit of cut but i still happy