Using this brush iron for years! [SEP] I discovered this brush iron at least 15 years ago and have been using it (and replacements) for all these years to finish off my hair after I dry it with a dryer.  It is NOT a dryer...rather a hair curling or straightening out iron for your hair depending on what type of hair you have and style you want.  It is easy to use and does not burn your scalp like some of the other types of irons available.  I can't be without it and use it daily.  The smaller the barrel, the tighter the curls...so decide on the look you want.  I use the 1 1/2 inch to get a smoother look - and it also adds a bit of body to my hair.  I give it high marks!