2 to 4 Weeks. You can get Hollywood waxing to remove the pubic hair from the roots. Hence, your bikini area will remain hair-free for several weeks after the biking waxing session. So, You should get the bikini area waxed every 2 to 4 weeks after the initial appointment. However, you can decide the frequency of getting Hollywood waxing based on the growth and visibility of your pubic hair.