DON'T have a bun larger than your closed fist.
DON'T do this with greasy hair. It will only magnify the greasiness. If you do this with day 2 or day 3 hair. DO use dry shampoo along your part between the bottom and topknot.
DO position the bun closer to the back of your head than the front of your head.
DON'T have a Tellytubby bun. Your bun should be wider than it is tall.
DO mix this style up with different textures, straight, wavy, curly, beachy, sleek, etc. Everyone can partake in this trend!
Enjoy this inspiration for successful half up hair styles.