i use the softer bristle side for the hair edges and with just a flip of the brush, i use the harder bristle side to brush through thicker hair. they are also good for skin and hair. " "you can scale the performance depending on how many units you put together. i meet you where you are to help you move through whatever is in your way is the most effective way to progress. or maybe i just have ugly cockroaches on the brain. this is also known as a dominant 7th chord. six panel low crown, relaxed cap. 