Choose a round brush based on your individual hair type and needs. 

Do you have fine to medium density hair and need a little extra tension when blow drying? These Dyson vented round brushes are a great choice. 

Do you have medium density hair & need a little extra tension when blowdrying? These boar bristle brushes by Ibiza are great on the hair and add shine. 

Do you have thick or coarse hair and need maximum tension when blowdrying? Try something like this boar bristle brush with a metal base to achieve optimum smoothness.